Home / 15,015.09-22,523.18-5,154.31

Finding the Fourth Proportional to 15,015.09, 22,523.18 and 5,154.31

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Solution

The fourth proportional to 15,015.09, 22,523.18 and 5,154.31 is: 7,731.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,015.09 : 22,523.18 = 5,154.31 : x
  2. Step 2: Convert to fraction form
    15,015.09/22,523.18 = 5,154.31/x
  3. Step 3: Cross multiply
    15,015.09x = 22,523.18 × 5,154.31
  4. Step 4: Simplify right side
    15,015.09x = 116,091,451.91
  5. Step 5: Solve for x
    x = 116,091,451.91/15,015.09
  6. Step 6: Final answer
    x = 7,731.65

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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.