Home / 8,913.62-12,294.50-5,927.96

Finding the Fourth Proportional to 8,913.62, 12,294.50 and 5,927.96

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Solution

The fourth proportional to 8,913.62, 12,294.50 and 5,927.96 is: 8,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.62 : 12,294.50 = 5,927.96 : x
  2. Step 2: Convert to fraction form
    8,913.62/12,294.50 = 5,927.96/x
  3. Step 3: Cross multiply
    8,913.62x = 12,294.50 × 5,927.96
  4. Step 4: Simplify right side
    8,913.62x = 72,881,304.22
  5. Step 5: Solve for x
    x = 72,881,304.22/8,913.62
  6. Step 6: Final answer
    x = 8,176.40

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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.