Home / 13,285.27-18,330.98-10,097.72

Finding the Fourth Proportional to 13,285.27, 18,330.98 and 10,097.72

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Solution

The fourth proportional to 13,285.27, 18,330.98 and 10,097.72 is: 13,932.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285.27 : 18,330.98 = 10,097.72 : x
  2. Step 2: Convert to fraction form
    13,285.27/18,330.98 = 10,097.72/x
  3. Step 3: Cross multiply
    13,285.27x = 18,330.98 × 10,097.72
  4. Step 4: Simplify right side
    13,285.27x = 185,101,036.95
  5. Step 5: Solve for x
    x = 185,101,036.95/13,285.27
  6. Step 6: Final answer
    x = 13,932.80

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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.