Home / 15,145.16-22,720.44-5,281.52

Finding the Fourth Proportional to 15,145.16, 22,720.44 and 5,281.52

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Solution

The fourth proportional to 15,145.16, 22,720.44 and 5,281.52 is: 7,923.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145.16 : 22,720.44 = 5,281.52 : x
  2. Step 2: Convert to fraction form
    15,145.16/22,720.44 = 5,281.52/x
  3. Step 3: Cross multiply
    15,145.16x = 22,720.44 × 5,281.52
  4. Step 4: Simplify right side
    15,145.16x = 119,998,458.27
  5. Step 5: Solve for x
    x = 119,998,458.27/15,145.16
  6. Step 6: Final answer
    x = 7,923.22

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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.