Home / 15,360.48-23,020.74-13,377.60

Finding the Fourth Proportional to 15,360.48, 23,020.74 and 13,377.60

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Solution

The fourth proportional to 15,360.48, 23,020.74 and 13,377.60 is: 20,049.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,360.48 : 23,020.74 = 13,377.60 : x
  2. Step 2: Convert to fraction form
    15,360.48/23,020.74 = 13,377.60/x
  3. Step 3: Cross multiply
    15,360.48x = 23,020.74 × 13,377.60
  4. Step 4: Simplify right side
    15,360.48x = 307,962,251.42
  5. Step 5: Solve for x
    x = 307,962,251.42/15,360.48
  6. Step 6: Final answer
    x = 20,049.00

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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.