Home / 15,291.20-22,767-15,204.80

Finding the Fourth Proportional to 15,291.20, 22,767 and 15,204.80

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Solution

The fourth proportional to 15,291.20, 22,767 and 15,204.80 is: 22,638.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,291.20 : 22,767 = 15,204.80 : x
  2. Step 2: Convert to fraction form
    15,291.20/22,767 = 15,204.80/x
  3. Step 3: Cross multiply
    15,291.20x = 22,767 × 15,204.80
  4. Step 4: Simplify right side
    15,291.20x = 346,167,681.60
  5. Step 5: Solve for x
    x = 346,167,681.60/15,291.20
  6. Step 6: Final answer
    x = 22,638.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.