Home / 15,149.90-22,730.63-5,290.18

Finding the Fourth Proportional to 15,149.90, 22,730.63 and 5,290.18

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Solution

The fourth proportional to 15,149.90, 22,730.63 and 5,290.18 is: 7,937.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,149.90 : 22,730.63 = 5,290.18 : x
  2. Step 2: Convert to fraction form
    15,149.90/22,730.63 = 5,290.18/x
  3. Step 3: Cross multiply
    15,149.90x = 22,730.63 × 5,290.18
  4. Step 4: Simplify right side
    15,149.90x = 120,249,040.94
  5. Step 5: Solve for x
    x = 120,249,040.94/15,149.90
  6. Step 6: Final answer
    x = 7,937.28

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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.