Home / 13,580.15-20,377.95-10,610.24

Finding the Fourth Proportional to 13,580.15, 20,377.95 and 10,610.24

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Solution

The fourth proportional to 13,580.15, 20,377.95 and 10,610.24 is: 15,921.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580.15 : 20,377.95 = 10,610.24 : x
  2. Step 2: Convert to fraction form
    13,580.15/20,377.95 = 10,610.24/x
  3. Step 3: Cross multiply
    13,580.15x = 20,377.95 × 10,610.24
  4. Step 4: Simplify right side
    13,580.15x = 216,214,838.32
  5. Step 5: Solve for x
    x = 216,214,838.32/13,580.15
  6. Step 6: Final answer
    x = 15,921.39

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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.