Home / 15,478.26-23,217.40-5,617.52

Finding the Fourth Proportional to 15,478.26, 23,217.40 and 5,617.52

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Solution

The fourth proportional to 15,478.26, 23,217.40 and 5,617.52 is: 8,426.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,478.26 : 23,217.40 = 5,617.52 : x
  2. Step 2: Convert to fraction form
    15,478.26/23,217.40 = 5,617.52/x
  3. Step 3: Cross multiply
    15,478.26x = 23,217.40 × 5,617.52
  4. Step 4: Simplify right side
    15,478.26x = 130,424,208.85
  5. Step 5: Solve for x
    x = 130,424,208.85/15,478.26
  6. Step 6: Final answer
    x = 8,426.28

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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.