Home / 13,488.02-20,231.98-10,373.57

Finding the Fourth Proportional to 13,488.02, 20,231.98 and 10,373.57

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Solution

The fourth proportional to 13,488.02, 20,231.98 and 10,373.57 is: 15,560.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488.02 : 20,231.98 = 10,373.57 : x
  2. Step 2: Convert to fraction form
    13,488.02/20,231.98 = 10,373.57/x
  3. Step 3: Cross multiply
    13,488.02x = 20,231.98 × 10,373.57
  4. Step 4: Simplify right side
    13,488.02x = 209,877,809.54
  5. Step 5: Solve for x
    x = 209,877,809.54/13,488.02
  6. Step 6: Final answer
    x = 15,560.31

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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.