Home / 13,017.28-17,963.74-7,048.80

Finding the Fourth Proportional to 13,017.28, 17,963.74 and 7,048.80

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Solution

The fourth proportional to 13,017.28, 17,963.74 and 7,048.80 is: 9,727.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017.28 : 17,963.74 = 7,048.80 : x
  2. Step 2: Convert to fraction form
    13,017.28/17,963.74 = 7,048.80/x
  3. Step 3: Cross multiply
    13,017.28x = 17,963.74 × 7,048.80
  4. Step 4: Simplify right side
    13,017.28x = 126,622,810.51
  5. Step 5: Solve for x
    x = 126,622,810.51/13,017.28
  6. Step 6: Final answer
    x = 9,727.29

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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.