Home / 15,987.92-22,055.22-10,690.52

Finding the Fourth Proportional to 15,987.92, 22,055.22 and 10,690.52

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Solution

The fourth proportional to 15,987.92, 22,055.22 and 10,690.52 is: 14,747.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.92 : 22,055.22 = 10,690.52 : x
  2. Step 2: Convert to fraction form
    15,987.92/22,055.22 = 10,690.52/x
  3. Step 3: Cross multiply
    15,987.92x = 22,055.22 × 10,690.52
  4. Step 4: Simplify right side
    15,987.92x = 235,781,770.51
  5. Step 5: Solve for x
    x = 235,781,770.51/15,987.92
  6. Step 6: Final answer
    x = 14,747.50

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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.