Home / 15,161.13-20,924.18-8,873.50

Finding the Fourth Proportional to 15,161.13, 20,924.18 and 8,873.50

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Solution

The fourth proportional to 15,161.13, 20,924.18 and 8,873.50 is: 12,246.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,161.13 : 20,924.18 = 8,873.50 : x
  2. Step 2: Convert to fraction form
    15,161.13/20,924.18 = 8,873.50/x
  3. Step 3: Cross multiply
    15,161.13x = 20,924.18 × 8,873.50
  4. Step 4: Simplify right side
    15,161.13x = 185,670,711.23
  5. Step 5: Solve for x
    x = 185,670,711.23/15,161.13
  6. Step 6: Final answer
    x = 12,246.50

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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.