Home / 20,148.32-30,201.66-14,587.88

Finding the Fourth Proportional to 20,148.32, 30,201.66 and 14,587.88

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Solution

The fourth proportional to 20,148.32, 30,201.66 and 14,587.88 is: 21,866.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,148.32 : 30,201.66 = 14,587.88 : x
  2. Step 2: Convert to fraction form
    20,148.32/30,201.66 = 14,587.88/x
  3. Step 3: Cross multiply
    20,148.32x = 30,201.66 × 14,587.88
  4. Step 4: Simplify right side
    20,148.32x = 440,578,191.88
  5. Step 5: Solve for x
    x = 440,578,191.88/20,148.32
  6. Step 6: Final answer
    x = 21,866.75

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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.