Home / 15,747.40-23,593.74-13,146.76

Finding the Fourth Proportional to 15,747.40, 23,593.74 and 13,146.76

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Solution

The fourth proportional to 15,747.40, 23,593.74 and 13,146.76 is: 19,697.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,747.40 : 23,593.74 = 13,146.76 : x
  2. Step 2: Convert to fraction form
    15,747.40/23,593.74 = 13,146.76/x
  3. Step 3: Cross multiply
    15,747.40x = 23,593.74 × 13,146.76
  4. Step 4: Simplify right side
    15,747.40x = 310,181,237.28
  5. Step 5: Solve for x
    x = 310,181,237.28/15,747.40
  6. Step 6: Final answer
    x = 19,697.30

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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.