Home / 9,381.58-14,142.65-8,747.38

Finding the Fourth Proportional to 9,381.58, 14,142.65 and 8,747.38

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Solution

The fourth proportional to 9,381.58, 14,142.65 and 8,747.38 is: 13,186.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,381.58 : 14,142.65 = 8,747.38 : x
  2. Step 2: Convert to fraction form
    9,381.58/14,142.65 = 8,747.38/x
  3. Step 3: Cross multiply
    9,381.58x = 14,142.65 × 8,747.38
  4. Step 4: Simplify right side
    9,381.58x = 123,711,133.76
  5. Step 5: Solve for x
    x = 123,711,133.76/9,381.58
  6. Step 6: Final answer
    x = 13,186.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.