Home / 15,145.39-22,710.45-8,822.30

Finding the Fourth Proportional to 15,145.39, 22,710.45 and 8,822.30

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Solution

The fourth proportional to 15,145.39, 22,710.45 and 8,822.30 is: 13,229.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145.39 : 22,710.45 = 8,822.30 : x
  2. Step 2: Convert to fraction form
    15,145.39/22,710.45 = 8,822.30/x
  3. Step 3: Cross multiply
    15,145.39x = 22,710.45 × 8,822.30
  4. Step 4: Simplify right side
    15,145.39x = 200,358,403.04
  5. Step 5: Solve for x
    x = 200,358,403.04/15,145.39
  6. Step 6: Final answer
    x = 13,229.00

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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.