Home / 15,597.20-21,522.14-8,881.90

Finding the Fourth Proportional to 15,597.20, 21,522.14 and 8,881.90

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Solution

The fourth proportional to 15,597.20, 21,522.14 and 8,881.90 is: 12,255.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,597.20 : 21,522.14 = 8,881.90 : x
  2. Step 2: Convert to fraction form
    15,597.20/21,522.14 = 8,881.90/x
  3. Step 3: Cross multiply
    15,597.20x = 21,522.14 × 8,881.90
  4. Step 4: Simplify right side
    15,597.20x = 191,157,495.27
  5. Step 5: Solve for x
    x = 191,157,495.27/15,597.20
  6. Step 6: Final answer
    x = 12,255.89

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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.