Home / 18,817.31-25,967.18-11,264.47

Finding the Fourth Proportional to 18,817.31, 25,967.18 and 11,264.47

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Solution

The fourth proportional to 18,817.31, 25,967.18 and 11,264.47 is: 15,544.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,817.31 : 25,967.18 = 11,264.47 : x
  2. Step 2: Convert to fraction form
    18,817.31/25,967.18 = 11,264.47/x
  3. Step 3: Cross multiply
    18,817.31x = 25,967.18 × 11,264.47
  4. Step 4: Simplify right side
    18,817.31x = 292,506,483.34
  5. Step 5: Solve for x
    x = 292,506,483.34/18,817.31
  6. Step 6: Final answer
    x = 15,544.54

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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.