Home / 13,862.79-20,797.45-4,502.78

Finding the Fourth Proportional to 13,862.79, 20,797.45 and 4,502.78

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Solution

The fourth proportional to 13,862.79, 20,797.45 and 4,502.78 is: 6,755.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.79 : 20,797.45 = 4,502.78 : x
  2. Step 2: Convert to fraction form
    13,862.79/20,797.45 = 4,502.78/x
  3. Step 3: Cross multiply
    13,862.79x = 20,797.45 × 4,502.78
  4. Step 4: Simplify right side
    13,862.79x = 93,646,341.91
  5. Step 5: Solve for x
    x = 93,646,341.91/13,862.79
  6. Step 6: Final answer
    x = 6,755.23

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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.