Home / 10,500.96-14,491.14-5,785.20

Finding the Fourth Proportional to 10,500.96, 14,491.14 and 5,785.20

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Solution

The fourth proportional to 10,500.96, 14,491.14 and 5,785.20 is: 7,983.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500.96 : 14,491.14 = 5,785.20 : x
  2. Step 2: Convert to fraction form
    10,500.96/14,491.14 = 5,785.20/x
  3. Step 3: Cross multiply
    10,500.96x = 14,491.14 × 5,785.20
  4. Step 4: Simplify right side
    10,500.96x = 83,834,143.13
  5. Step 5: Solve for x
    x = 83,834,143.13/10,500.96
  6. Step 6: Final answer
    x = 7,983.47

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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.