Home / 19,965.74-29,947.56-5,925.86

Finding the Fourth Proportional to 19,965.74, 29,947.56 and 5,925.86

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Solution

The fourth proportional to 19,965.74, 29,947.56 and 5,925.86 is: 8,888.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,965.74 : 29,947.56 = 5,925.86 : x
  2. Step 2: Convert to fraction form
    19,965.74/29,947.56 = 5,925.86/x
  3. Step 3: Cross multiply
    19,965.74x = 29,947.56 × 5,925.86
  4. Step 4: Simplify right side
    19,965.74x = 177,465,047.90
  5. Step 5: Solve for x
    x = 177,465,047.90/19,965.74
  6. Step 6: Final answer
    x = 8,888.48

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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.