Home / 55,517.15-83,274.95-13,396.88

Finding the Fourth Proportional to 55,517.15, 83,274.95 and 13,396.88

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Solution

The fourth proportional to 55,517.15, 83,274.95 and 13,396.88 is: 20,095.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,517.15 : 83,274.95 = 13,396.88 : x
  2. Step 2: Convert to fraction form
    55,517.15/83,274.95 = 13,396.88/x
  3. Step 3: Cross multiply
    55,517.15x = 83,274.95 × 13,396.88
  4. Step 4: Simplify right side
    55,517.15x = 1,115,624,753.84
  5. Step 5: Solve for x
    x = 1,115,624,753.84/55,517.15
  6. Step 6: Final answer
    x = 20,095.14

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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.