Home / 10,303.60-14,218.98-5,587.84

Finding the Fourth Proportional to 10,303.60, 14,218.98 and 5,587.84

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Solution

The fourth proportional to 10,303.60, 14,218.98 and 5,587.84 is: 7,711.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303.60 : 14,218.98 = 5,587.84 : x
  2. Step 2: Convert to fraction form
    10,303.60/14,218.98 = 5,587.84/x
  3. Step 3: Cross multiply
    10,303.60x = 14,218.98 × 5,587.84
  4. Step 4: Simplify right side
    10,303.60x = 79,453,385.20
  5. Step 5: Solve for x
    x = 79,453,385.20/10,303.60
  6. Step 6: Final answer
    x = 7,711.23

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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.