Home / 15,105.60-22,619.52-9,895.68

Finding the Fourth Proportional to 15,105.60, 22,619.52 and 9,895.68

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Solution

The fourth proportional to 15,105.60, 22,619.52 and 9,895.68 is: 14,818.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,105.60 : 22,619.52 = 9,895.68 : x
  2. Step 2: Convert to fraction form
    15,105.60/22,619.52 = 9,895.68/x
  3. Step 3: Cross multiply
    15,105.60x = 22,619.52 × 9,895.68
  4. Step 4: Simplify right side
    15,105.60x = 223,835,531.67
  5. Step 5: Solve for x
    x = 223,835,531.67/15,105.60
  6. Step 6: Final answer
    x = 14,818.05

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1.5x scale

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.