Home / 11,159.43-15,400.17-6,123.55

Finding the Fourth Proportional to 11,159.43, 15,400.17 and 6,123.55

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Solution

The fourth proportional to 11,159.43, 15,400.17 and 6,123.55 is: 8,450.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.43 : 15,400.17 = 6,123.55 : x
  2. Step 2: Convert to fraction form
    11,159.43/15,400.17 = 6,123.55/x
  3. Step 3: Cross multiply
    11,159.43x = 15,400.17 × 6,123.55
  4. Step 4: Simplify right side
    11,159.43x = 94,303,711.00
  5. Step 5: Solve for x
    x = 94,303,711.00/11,159.43
  6. Step 6: Final answer
    x = 8,450.58

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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.