Home / 14,686.47-20,263.82-8,397.27

Finding the Fourth Proportional to 14,686.47, 20,263.82 and 8,397.27

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Solution

The fourth proportional to 14,686.47, 20,263.82 and 8,397.27 is: 11,586.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,686.47 : 20,263.82 = 8,397.27 : x
  2. Step 2: Convert to fraction form
    14,686.47/20,263.82 = 8,397.27/x
  3. Step 3: Cross multiply
    14,686.47x = 20,263.82 × 8,397.27
  4. Step 4: Simplify right side
    14,686.47x = 170,160,725.79
  5. Step 5: Solve for x
    x = 170,160,725.79/14,686.47
  6. Step 6: Final answer
    x = 11,586.22

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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.