Home / 10,252.80-15,411.60-9,475.20

Finding the Fourth Proportional to 10,252.80, 15,411.60 and 9,475.20

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Solution

The fourth proportional to 10,252.80, 15,411.60 and 9,475.20 is: 14,242.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252.80 : 15,411.60 = 9,475.20 : x
  2. Step 2: Convert to fraction form
    10,252.80/15,411.60 = 9,475.20/x
  3. Step 3: Cross multiply
    10,252.80x = 15,411.60 × 9,475.20
  4. Step 4: Simplify right side
    10,252.80x = 146,027,992.32
  5. Step 5: Solve for x
    x = 146,027,992.32/10,252.80
  6. Step 6: Final answer
    x = 14,242.74

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1.5x scale

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.