Home / 10,376.43-15,567.27-2,981.40

Finding the Fourth Proportional to 10,376.43, 15,567.27 and 2,981.40

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Solution

The fourth proportional to 10,376.43, 15,567.27 and 2,981.40 is: 4,472.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.43 : 15,567.27 = 2,981.40 : x
  2. Step 2: Convert to fraction form
    10,376.43/15,567.27 = 2,981.40/x
  3. Step 3: Cross multiply
    10,376.43x = 15,567.27 × 2,981.40
  4. Step 4: Simplify right side
    10,376.43x = 46,412,258.78
  5. Step 5: Solve for x
    x = 46,412,258.78/10,376.43
  6. Step 6: Final answer
    x = 4,472.85

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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.