Home / 13,084.01-18,056.01-7,115.66

Finding the Fourth Proportional to 13,084.01, 18,056.01 and 7,115.66

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Solution

The fourth proportional to 13,084.01, 18,056.01 and 7,115.66 is: 9,819.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,084.01 : 18,056.01 = 7,115.66 : x
  2. Step 2: Convert to fraction form
    13,084.01/18,056.01 = 7,115.66/x
  3. Step 3: Cross multiply
    13,084.01x = 18,056.01 × 7,115.66
  4. Step 4: Simplify right side
    13,084.01x = 128,480,428.12
  5. Step 5: Solve for x
    x = 128,480,428.12/13,084.01
  6. Step 6: Final answer
    x = 9,819.65

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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.