Home / 19,820.16-29,726.40-5,965.44

Finding the Fourth Proportional to 19,820.16, 29,726.40 and 5,965.44

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Solution

The fourth proportional to 19,820.16, 29,726.40 and 5,965.44 is: 8,947.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,820.16 : 29,726.40 = 5,965.44 : x
  2. Step 2: Convert to fraction form
    19,820.16/29,726.40 = 5,965.44/x
  3. Step 3: Cross multiply
    19,820.16x = 29,726.40 × 5,965.44
  4. Step 4: Simplify right side
    19,820.16x = 177,331,055.62
  5. Step 5: Solve for x
    x = 177,331,055.62/19,820.16
  6. Step 6: Final answer
    x = 8,947.00

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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.