Home / 15,291.23-22,884.99-9,139.55

Finding the Fourth Proportional to 15,291.23, 22,884.99 and 9,139.55

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Solution

The fourth proportional to 15,291.23, 22,884.99 and 9,139.55 is: 13,678.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,291.23 : 22,884.99 = 9,139.55 : x
  2. Step 2: Convert to fraction form
    15,291.23/22,884.99 = 9,139.55/x
  3. Step 3: Cross multiply
    15,291.23x = 22,884.99 × 9,139.55
  4. Step 4: Simplify right side
    15,291.23x = 209,158,510.35
  5. Step 5: Solve for x
    x = 209,158,510.35/15,291.23
  6. Step 6: Final answer
    x = 13,678.33

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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.