Home / 20,565.36-30,848.12-4,982.96

Finding the Fourth Proportional to 20,565.36, 30,848.12 and 4,982.96

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Solution

The fourth proportional to 20,565.36, 30,848.12 and 4,982.96 is: 7,474.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,565.36 : 30,848.12 = 4,982.96 : x
  2. Step 2: Convert to fraction form
    20,565.36/30,848.12 = 4,982.96/x
  3. Step 3: Cross multiply
    20,565.36x = 30,848.12 × 4,982.96
  4. Step 4: Simplify right side
    20,565.36x = 153,714,948.04
  5. Step 5: Solve for x
    x = 153,714,948.04/20,565.36
  6. Step 6: Final answer
    x = 7,474.46

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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.