Home / 13,132.95-18,127.53-8,098.77

Finding the Fourth Proportional to 13,132.95, 18,127.53 and 8,098.77

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Solution

The fourth proportional to 13,132.95, 18,127.53 and 8,098.77 is: 11,178.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.95 : 18,127.53 = 8,098.77 : x
  2. Step 2: Convert to fraction form
    13,132.95/18,127.53 = 8,098.77/x
  3. Step 3: Cross multiply
    13,132.95x = 18,127.53 × 8,098.77
  4. Step 4: Simplify right side
    13,132.95x = 146,810,696.14
  5. Step 5: Solve for x
    x = 146,810,696.14/13,132.95
  6. Step 6: Final answer
    x = 11,178.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.