Home / 17,649.12-26,421.59-9,311.19

Finding the Fourth Proportional to 17,649.12, 26,421.59 and 9,311.19

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Solution

The fourth proportional to 17,649.12, 26,421.59 and 9,311.19 is: 13,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,649.12 : 26,421.59 = 9,311.19 : x
  2. Step 2: Convert to fraction form
    17,649.12/26,421.59 = 9,311.19/x
  3. Step 3: Cross multiply
    17,649.12x = 26,421.59 × 9,311.19
  4. Step 4: Simplify right side
    17,649.12x = 246,016,368.79
  5. Step 5: Solve for x
    x = 246,016,368.79/17,649.12
  6. Step 6: Final answer
    x = 13,939.30

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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.