Home / 18,100.83-24,970.70-11,390.16

Finding the Fourth Proportional to 18,100.83, 24,970.70 and 11,390.16

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Solution

The fourth proportional to 18,100.83, 24,970.70 and 11,390.16 is: 15,713.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100.83 : 24,970.70 = 11,390.16 : x
  2. Step 2: Convert to fraction form
    18,100.83/24,970.70 = 11,390.16/x
  3. Step 3: Cross multiply
    18,100.83x = 24,970.70 × 11,390.16
  4. Step 4: Simplify right side
    18,100.83x = 284,420,268.31
  5. Step 5: Solve for x
    x = 284,420,268.31/18,100.83
  6. Step 6: Final answer
    x = 15,713.11

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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.