Home / 14,010.32-21,025.74-7,437.80

Finding the Fourth Proportional to 14,010.32, 21,025.74 and 7,437.80

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Solution

The fourth proportional to 14,010.32, 21,025.74 and 7,437.80 is: 11,162.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.32 : 21,025.74 = 7,437.80 : x
  2. Step 2: Convert to fraction form
    14,010.32/21,025.74 = 7,437.80/x
  3. Step 3: Cross multiply
    14,010.32x = 21,025.74 × 7,437.80
  4. Step 4: Simplify right side
    14,010.32x = 156,385,248.97
  5. Step 5: Solve for x
    x = 156,385,248.97/14,010.32
  6. Step 6: Final answer
    x = 11,162.15

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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.