Home / 12,373.09-18,528.87-8,657.92

Finding the Fourth Proportional to 12,373.09, 18,528.87 and 8,657.92

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Solution

The fourth proportional to 12,373.09, 18,528.87 and 8,657.92 is: 12,965.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,373.09 : 18,528.87 = 8,657.92 : x
  2. Step 2: Convert to fraction form
    12,373.09/18,528.87 = 8,657.92/x
  3. Step 3: Cross multiply
    12,373.09x = 18,528.87 × 8,657.92
  4. Step 4: Simplify right side
    12,373.09x = 160,421,474.15
  5. Step 5: Solve for x
    x = 160,421,474.15/12,373.09
  6. Step 6: Final answer
    x = 12,965.35

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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.