Home / 18,307.74-25,264.74-11,586.36

Finding the Fourth Proportional to 18,307.74, 25,264.74 and 11,586.36

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Solution

The fourth proportional to 18,307.74, 25,264.74 and 11,586.36 is: 15,989.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.74 : 25,264.74 = 11,586.36 : x
  2. Step 2: Convert to fraction form
    18,307.74/25,264.74 = 11,586.36/x
  3. Step 3: Cross multiply
    18,307.74x = 25,264.74 × 11,586.36
  4. Step 4: Simplify right side
    18,307.74x = 292,726,372.95
  5. Step 5: Solve for x
    x = 292,726,372.95/18,307.74
  6. Step 6: Final answer
    x = 15,989.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.