Home / 12,557.02-18,844.56-10,121.26

Finding the Fourth Proportional to 12,557.02, 18,844.56 and 10,121.26

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Solution

The fourth proportional to 12,557.02, 18,844.56 and 10,121.26 is: 15,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.02 : 18,844.56 = 10,121.26 : x
  2. Step 2: Convert to fraction form
    12,557.02/18,844.56 = 10,121.26/x
  3. Step 3: Cross multiply
    12,557.02x = 18,844.56 × 10,121.26
  4. Step 4: Simplify right side
    12,557.02x = 190,730,691.35
  5. Step 5: Solve for x
    x = 190,730,691.35/12,557.02
  6. Step 6: Final answer
    x = 15,189.17

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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.