Home / 21,641.50-32,437.65-9,153.73

Finding the Fourth Proportional to 21,641.50, 32,437.65 and 9,153.73

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Solution

The fourth proportional to 21,641.50, 32,437.65 and 9,153.73 is: 13,720.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,641.50 : 32,437.65 = 9,153.73 : x
  2. Step 2: Convert to fraction form
    21,641.50/32,437.65 = 9,153.73/x
  3. Step 3: Cross multiply
    21,641.50x = 32,437.65 × 9,153.73
  4. Step 4: Simplify right side
    21,641.50x = 296,925,643.17
  5. Step 5: Solve for x
    x = 296,925,643.17/21,641.50
  6. Step 6: Final answer
    x = 13,720.19

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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.