Home / 15,147.42-22,695.93-5,281.26

Finding the Fourth Proportional to 15,147.42, 22,695.93 and 5,281.26

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Solution

The fourth proportional to 15,147.42, 22,695.93 and 5,281.26 is: 7,913.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147.42 : 22,695.93 = 5,281.26 : x
  2. Step 2: Convert to fraction form
    15,147.42/22,695.93 = 5,281.26/x
  3. Step 3: Cross multiply
    15,147.42x = 22,695.93 × 5,281.26
  4. Step 4: Simplify right side
    15,147.42x = 119,863,107.27
  5. Step 5: Solve for x
    x = 119,863,107.27/15,147.42
  6. Step 6: Final answer
    x = 7,913.10

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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.