Home / 10,534.01-14,551.88-8,423.55

Finding the Fourth Proportional to 10,534.01, 14,551.88 and 8,423.55

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Solution

The fourth proportional to 10,534.01, 14,551.88 and 8,423.55 is: 11,636.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,534.01 : 14,551.88 = 8,423.55 : x
  2. Step 2: Convert to fraction form
    10,534.01/14,551.88 = 8,423.55/x
  3. Step 3: Cross multiply
    10,534.01x = 14,551.88 × 8,423.55
  4. Step 4: Simplify right side
    10,534.01x = 122,578,446.66
  5. Step 5: Solve for x
    x = 122,578,446.66/10,534.01
  6. Step 6: Final answer
    x = 11,636.45

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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.