Home / 15,349.53-21,182.85-9,383.88

Finding the Fourth Proportional to 15,349.53, 21,182.85 and 9,383.88

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Solution

The fourth proportional to 15,349.53, 21,182.85 and 9,383.88 is: 12,950.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,349.53 : 21,182.85 = 9,383.88 : x
  2. Step 2: Convert to fraction form
    15,349.53/21,182.85 = 9,383.88/x
  3. Step 3: Cross multiply
    15,349.53x = 21,182.85 × 9,383.88
  4. Step 4: Simplify right side
    15,349.53x = 198,777,322.46
  5. Step 5: Solve for x
    x = 198,777,322.46/15,349.53
  6. Step 6: Final answer
    x = 12,950.06

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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.