Home / 26,111.08-39,167.90-8,343.72

Finding the Fourth Proportional to 26,111.08, 39,167.90 and 8,343.72

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Solution

The fourth proportional to 26,111.08, 39,167.90 and 8,343.72 is: 12,515.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,111.08 : 39,167.90 = 8,343.72 : x
  2. Step 2: Convert to fraction form
    26,111.08/39,167.90 = 8,343.72/x
  3. Step 3: Cross multiply
    26,111.08x = 39,167.90 × 8,343.72
  4. Step 4: Simplify right side
    26,111.08x = 326,805,990.59
  5. Step 5: Solve for x
    x = 326,805,990.59/26,111.08
  6. Step 6: Final answer
    x = 12,515.99

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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.