Home / 26,187.30-39,276.63-12,146.76

Finding the Fourth Proportional to 26,187.30, 39,276.63 and 12,146.76

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Solution

The fourth proportional to 26,187.30, 39,276.63 and 12,146.76 is: 18,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,187.30 : 39,276.63 = 12,146.76 : x
  2. Step 2: Convert to fraction form
    26,187.30/39,276.63 = 12,146.76/x
  3. Step 3: Cross multiply
    26,187.30x = 39,276.63 × 12,146.76
  4. Step 4: Simplify right side
    26,187.30x = 477,083,798.22
  5. Step 5: Solve for x
    x = 477,083,798.22/26,187.30
  6. Step 6: Final answer
    x = 18,218.14

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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.