Home / 15,349.20-23,010.30-10,402.80

Finding the Fourth Proportional to 15,349.20, 23,010.30 and 10,402.80

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Solution

The fourth proportional to 15,349.20, 23,010.30 and 10,402.80 is: 15,595.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,349.20 : 23,010.30 = 10,402.80 : x
  2. Step 2: Convert to fraction form
    15,349.20/23,010.30 = 10,402.80/x
  3. Step 3: Cross multiply
    15,349.20x = 23,010.30 × 10,402.80
  4. Step 4: Simplify right side
    15,349.20x = 239,371,548.84
  5. Step 5: Solve for x
    x = 239,371,548.84/15,349.20
  6. Step 6: Final answer
    x = 15,595.05

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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.