Home / 15,741.34-23,644.80-13,280.98

Finding the Fourth Proportional to 15,741.34, 23,644.80 and 13,280.98

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Solution

The fourth proportional to 15,741.34, 23,644.80 and 13,280.98 is: 19,949.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,741.34 : 23,644.80 = 13,280.98 : x
  2. Step 2: Convert to fraction form
    15,741.34/23,644.80 = 13,280.98/x
  3. Step 3: Cross multiply
    15,741.34x = 23,644.80 × 13,280.98
  4. Step 4: Simplify right side
    15,741.34x = 314,026,115.90
  5. Step 5: Solve for x
    x = 314,026,115.90/15,741.34
  6. Step 6: Final answer
    x = 19,949.13

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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.