Home / 13,123.18-18,098.83-8,873.11

Finding the Fourth Proportional to 13,123.18, 18,098.83 and 8,873.11

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Solution

The fourth proportional to 13,123.18, 18,098.83 and 8,873.11 is: 12,237.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,123.18 : 18,098.83 = 8,873.11 : x
  2. Step 2: Convert to fraction form
    13,123.18/18,098.83 = 8,873.11/x
  3. Step 3: Cross multiply
    13,123.18x = 18,098.83 × 8,873.11
  4. Step 4: Simplify right side
    13,123.18x = 160,592,909.46
  5. Step 5: Solve for x
    x = 160,592,909.46/13,123.18
  6. Step 6: Final answer
    x = 12,237.35

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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.