Home / 26,124.66-39,165.38-12,986.18

Finding the Fourth Proportional to 26,124.66, 39,165.38 and 12,986.18

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Solution

The fourth proportional to 26,124.66, 39,165.38 and 12,986.18 is: 19,468.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,124.66 : 39,165.38 = 12,986.18 : x
  2. Step 2: Convert to fraction form
    26,124.66/39,165.38 = 12,986.18/x
  3. Step 3: Cross multiply
    26,124.66x = 39,165.38 × 12,986.18
  4. Step 4: Simplify right side
    26,124.66x = 508,608,674.45
  5. Step 5: Solve for x
    x = 508,608,674.45/26,124.66
  6. Step 6: Final answer
    x = 19,468.53

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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.