Home / 15,530.30-23,276.02-12,230.36

Finding the Fourth Proportional to 15,530.30, 23,276.02 and 12,230.36

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Solution

The fourth proportional to 15,530.30, 23,276.02 and 12,230.36 is: 18,330.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,530.30 : 23,276.02 = 12,230.36 : x
  2. Step 2: Convert to fraction form
    15,530.30/23,276.02 = 12,230.36/x
  3. Step 3: Cross multiply
    15,530.30x = 23,276.02 × 12,230.36
  4. Step 4: Simplify right side
    15,530.30x = 284,674,103.97
  5. Step 5: Solve for x
    x = 284,674,103.97/15,530.30
  6. Step 6: Final answer
    x = 18,330.24

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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.