Home / 10,503.64-15,755.28-2,606.14

Finding the Fourth Proportional to 10,503.64, 15,755.28 and 2,606.14

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Solution

The fourth proportional to 10,503.64, 15,755.28 and 2,606.14 is: 3,909.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,503.64 : 15,755.28 = 2,606.14 : x
  2. Step 2: Convert to fraction form
    10,503.64/15,755.28 = 2,606.14/x
  3. Step 3: Cross multiply
    10,503.64x = 15,755.28 × 2,606.14
  4. Step 4: Simplify right side
    10,503.64x = 41,060,475.34
  5. Step 5: Solve for x
    x = 41,060,475.34/10,503.64
  6. Step 6: Final answer
    x = 3,909.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.