Home / 10,303.47-14,213.48-6,520.23

Finding the Fourth Proportional to 10,303.47, 14,213.48 and 6,520.23

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Solution

The fourth proportional to 10,303.47, 14,213.48 and 6,520.23 is: 8,994.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303.47 : 14,213.48 = 6,520.23 : x
  2. Step 2: Convert to fraction form
    10,303.47/14,213.48 = 6,520.23/x
  3. Step 3: Cross multiply
    10,303.47x = 14,213.48 × 6,520.23
  4. Step 4: Simplify right side
    10,303.47x = 92,675,126.10
  5. Step 5: Solve for x
    x = 92,675,126.10/10,303.47
  6. Step 6: Final answer
    x = 8,994.55

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Half scale
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Double scale
Find fourth proportional to 10,304.47, 14,214.85 and 6,521.23
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.