Home / 13,041.29-19,561.92-4,721.28

Finding the Fourth Proportional to 13,041.29, 19,561.92 and 4,721.28

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Solution

The fourth proportional to 13,041.29, 19,561.92 and 4,721.28 is: 7,081.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041.29 : 19,561.92 = 4,721.28 : x
  2. Step 2: Convert to fraction form
    13,041.29/19,561.92 = 4,721.28/x
  3. Step 3: Cross multiply
    13,041.29x = 19,561.92 × 4,721.28
  4. Step 4: Simplify right side
    13,041.29x = 92,357,301.66
  5. Step 5: Solve for x
    x = 92,357,301.66/13,041.29
  6. Step 6: Final answer
    x = 7,081.91

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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.