Home / 15,058.41-20,781.15-9,088.91

Finding the Fourth Proportional to 15,058.41, 20,781.15 and 9,088.91

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Solution

The fourth proportional to 15,058.41, 20,781.15 and 9,088.91 is: 12,543.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,058.41 : 20,781.15 = 9,088.91 : x
  2. Step 2: Convert to fraction form
    15,058.41/20,781.15 = 9,088.91/x
  3. Step 3: Cross multiply
    15,058.41x = 20,781.15 × 9,088.91
  4. Step 4: Simplify right side
    15,058.41x = 188,878,019.92
  5. Step 5: Solve for x
    x = 188,878,019.92/15,058.41
  6. Step 6: Final answer
    x = 12,543.03

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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.