Home / 13,016.28-17,962.36-7,047.80

Finding the Fourth Proportional to 13,016.28, 17,962.36 and 7,047.80

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Solution

The fourth proportional to 13,016.28, 17,962.36 and 7,047.80 is: 9,725.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,016.28 : 17,962.36 = 7,047.80 : x
  2. Step 2: Convert to fraction form
    13,016.28/17,962.36 = 7,047.80/x
  3. Step 3: Cross multiply
    13,016.28x = 17,962.36 × 7,047.80
  4. Step 4: Simplify right side
    13,016.28x = 126,595,120.81
  5. Step 5: Solve for x
    x = 126,595,120.81/13,016.28
  6. Step 6: Final answer
    x = 9,725.91

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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.