Home / 13,066.15-18,034.14-8,034.70

Finding the Fourth Proportional to 13,066.15, 18,034.14 and 8,034.70

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Solution

The fourth proportional to 13,066.15, 18,034.14 and 8,034.70 is: 11,089.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.15 : 18,034.14 = 8,034.70 : x
  2. Step 2: Convert to fraction form
    13,066.15/18,034.14 = 8,034.70/x
  3. Step 3: Cross multiply
    13,066.15x = 18,034.14 × 8,034.70
  4. Step 4: Simplify right side
    13,066.15x = 144,898,904.66
  5. Step 5: Solve for x
    x = 144,898,904.66/13,066.15
  6. Step 6: Final answer
    x = 11,089.64

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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.