Home / 13,034.10-17,987.19-7,065.81

Finding the Fourth Proportional to 13,034.10, 17,987.19 and 7,065.81

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Solution

The fourth proportional to 13,034.10, 17,987.19 and 7,065.81 is: 9,750.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,034.10 : 17,987.19 = 7,065.81 : x
  2. Step 2: Convert to fraction form
    13,034.10/17,987.19 = 7,065.81/x
  3. Step 3: Cross multiply
    13,034.10x = 17,987.19 × 7,065.81
  4. Step 4: Simplify right side
    13,034.10x = 127,094,066.97
  5. Step 5: Solve for x
    x = 127,094,066.97/13,034.10
  6. Step 6: Final answer
    x = 9,750.89

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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.