Home / 13,243.28-19,862.80-4,358.66

Finding the Fourth Proportional to 13,243.28, 19,862.80 and 4,358.66

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Solution

The fourth proportional to 13,243.28, 19,862.80 and 4,358.66 is: 6,537.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243.28 : 19,862.80 = 4,358.66 : x
  2. Step 2: Convert to fraction form
    13,243.28/19,862.80 = 4,358.66/x
  3. Step 3: Cross multiply
    13,243.28x = 19,862.80 × 4,358.66
  4. Step 4: Simplify right side
    13,243.28x = 86,575,081.64
  5. Step 5: Solve for x
    x = 86,575,081.64/13,243.28
  6. Step 6: Final answer
    x = 6,537.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.