Home / 22,140.20-33,218.40-10,444.62

Finding the Fourth Proportional to 22,140.20, 33,218.40 and 10,444.62

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Solution

The fourth proportional to 22,140.20, 33,218.40 and 10,444.62 is: 15,670.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,140.20 : 33,218.40 = 10,444.62 : x
  2. Step 2: Convert to fraction form
    22,140.20/33,218.40 = 10,444.62/x
  3. Step 3: Cross multiply
    22,140.20x = 33,218.40 × 10,444.62
  4. Step 4: Simplify right side
    22,140.20x = 346,953,565.01
  5. Step 5: Solve for x
    x = 346,953,565.01/22,140.20
  6. Step 6: Final answer
    x = 15,670.75

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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.