Home / 11,248.30-16,840.05-10,081.90

Finding the Fourth Proportional to 11,248.30, 16,840.05 and 10,081.90

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Solution

The fourth proportional to 11,248.30, 16,840.05 and 10,081.90 is: 15,093.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248.30 : 16,840.05 = 10,081.90 : x
  2. Step 2: Convert to fraction form
    11,248.30/16,840.05 = 10,081.90/x
  3. Step 3: Cross multiply
    11,248.30x = 16,840.05 × 10,081.90
  4. Step 4: Simplify right side
    11,248.30x = 169,779,700.10
  5. Step 5: Solve for x
    x = 169,779,700.10/11,248.30
  6. Step 6: Final answer
    x = 15,093.81

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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.