Home / 19,186.37-28,737.89-9,304.88

Finding the Fourth Proportional to 19,186.37, 28,737.89 and 9,304.88

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Solution

The fourth proportional to 19,186.37, 28,737.89 and 9,304.88 is: 13,937.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.37 : 28,737.89 = 9,304.88 : x
  2. Step 2: Convert to fraction form
    19,186.37/28,737.89 = 9,304.88/x
  3. Step 3: Cross multiply
    19,186.37x = 28,737.89 × 9,304.88
  4. Step 4: Simplify right side
    19,186.37x = 267,402,462.58
  5. Step 5: Solve for x
    x = 267,402,462.58/19,186.37
  6. Step 6: Final answer
    x = 13,937.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.