Home / 15,332.13-21,157.74-9,373.77

Finding the Fourth Proportional to 15,332.13, 21,157.74 and 9,373.77

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Solution

The fourth proportional to 15,332.13, 21,157.74 and 9,373.77 is: 12,935.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,332.13 : 21,157.74 = 9,373.77 : x
  2. Step 2: Convert to fraction form
    15,332.13/21,157.74 = 9,373.77/x
  3. Step 3: Cross multiply
    15,332.13x = 21,157.74 × 9,373.77
  4. Step 4: Simplify right side
    15,332.13x = 198,327,788.48
  5. Step 5: Solve for x
    x = 198,327,788.48/15,332.13
  6. Step 6: Final answer
    x = 12,935.44

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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.