Home / 10,252.68-14,150.50-9,785.21

Finding the Fourth Proportional to 10,252.68, 14,150.50 and 9,785.21

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Solution

The fourth proportional to 10,252.68, 14,150.50 and 9,785.21 is: 13,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252.68 : 14,150.50 = 9,785.21 : x
  2. Step 2: Convert to fraction form
    10,252.68/14,150.50 = 9,785.21/x
  3. Step 3: Cross multiply
    10,252.68x = 14,150.50 × 9,785.21
  4. Step 4: Simplify right side
    10,252.68x = 138,465,518.89
  5. Step 5: Solve for x
    x = 138,465,518.89/10,252.68
  6. Step 6: Final answer
    x = 13,505.30

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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.