Home / 21,487.74-32,242.95-11,625.18

Finding the Fourth Proportional to 21,487.74, 32,242.95 and 11,625.18

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Solution

The fourth proportional to 21,487.74, 32,242.95 and 11,625.18 is: 17,443.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,487.74 : 32,242.95 = 11,625.18 : x
  2. Step 2: Convert to fraction form
    21,487.74/32,242.95 = 11,625.18/x
  3. Step 3: Cross multiply
    21,487.74x = 32,242.95 × 11,625.18
  4. Step 4: Simplify right side
    21,487.74x = 374,830,097.48
  5. Step 5: Solve for x
    x = 374,830,097.48/21,487.74
  6. Step 6: Final answer
    x = 17,443.91

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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.