Home / 19,959.20-27,540.48-11,574.08

Finding the Fourth Proportional to 19,959.20, 27,540.48 and 11,574.08

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Solution

The fourth proportional to 19,959.20, 27,540.48 and 11,574.08 is: 15,970.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,959.20 : 27,540.48 = 11,574.08 : x
  2. Step 2: Convert to fraction form
    19,959.20/27,540.48 = 11,574.08/x
  3. Step 3: Cross multiply
    19,959.20x = 27,540.48 × 11,574.08
  4. Step 4: Simplify right side
    19,959.20x = 318,755,718.76
  5. Step 5: Solve for x
    x = 318,755,718.76/19,959.20
  6. Step 6: Final answer
    x = 15,970.37

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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.