Home / 10,098.91-13,931.61-6,512.92

Finding the Fourth Proportional to 10,098.91, 13,931.61 and 6,512.92

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Solution

The fourth proportional to 10,098.91, 13,931.61 and 6,512.92 is: 8,984.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098.91 : 13,931.61 = 6,512.92 : x
  2. Step 2: Convert to fraction form
    10,098.91/13,931.61 = 6,512.92/x
  3. Step 3: Cross multiply
    10,098.91x = 13,931.61 × 6,512.92
  4. Step 4: Simplify right side
    10,098.91x = 90,735,461.40
  5. Step 5: Solve for x
    x = 90,735,461.40/10,098.91
  6. Step 6: Final answer
    x = 8,984.68

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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.