Home / 15,290.16-22,935.36-5,429.04

Finding the Fourth Proportional to 15,290.16, 22,935.36 and 5,429.04

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Solution

The fourth proportional to 15,290.16, 22,935.36 and 5,429.04 is: 8,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290.16 : 22,935.36 = 5,429.04 : x
  2. Step 2: Convert to fraction form
    15,290.16/22,935.36 = 5,429.04/x
  3. Step 3: Cross multiply
    15,290.16x = 22,935.36 × 5,429.04
  4. Step 4: Simplify right side
    15,290.16x = 124,516,986.85
  5. Step 5: Solve for x
    x = 124,516,986.85/15,290.16
  6. Step 6: Final answer
    x = 8,143.60

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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.