Home / 15,987.08-22,061.49-9,272.18

Finding the Fourth Proportional to 15,987.08, 22,061.49 and 9,272.18

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Solution

The fourth proportional to 15,987.08, 22,061.49 and 9,272.18 is: 12,795.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.08 : 22,061.49 = 9,272.18 : x
  2. Step 2: Convert to fraction form
    15,987.08/22,061.49 = 9,272.18/x
  3. Step 3: Cross multiply
    15,987.08x = 22,061.49 × 9,272.18
  4. Step 4: Simplify right side
    15,987.08x = 204,558,106.35
  5. Step 5: Solve for x
    x = 204,558,106.35/15,987.08
  6. Step 6: Final answer
    x = 12,795.21

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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.