Home / 26,130.61-39,195.92-8,605.45

Finding the Fourth Proportional to 26,130.61, 39,195.92 and 8,605.45

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Solution

The fourth proportional to 26,130.61, 39,195.92 and 8,605.45 is: 12,908.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,130.61 : 39,195.92 = 8,605.45 : x
  2. Step 2: Convert to fraction form
    26,130.61/39,195.92 = 8,605.45/x
  3. Step 3: Cross multiply
    26,130.61x = 39,195.92 × 8,605.45
  4. Step 4: Simplify right side
    26,130.61x = 337,298,529.76
  5. Step 5: Solve for x
    x = 337,298,529.76/26,130.61
  6. Step 6: Final answer
    x = 12,908.18

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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.