Home / 20,008.74-30,017.67-6,860.32

Finding the Fourth Proportional to 20,008.74, 30,017.67 and 6,860.32

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Solution

The fourth proportional to 20,008.74, 30,017.67 and 6,860.32 is: 10,292.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008.74 : 30,017.67 = 6,860.32 : x
  2. Step 2: Convert to fraction form
    20,008.74/30,017.67 = 6,860.32/x
  3. Step 3: Cross multiply
    20,008.74x = 30,017.67 × 6,860.32
  4. Step 4: Simplify right side
    20,008.74x = 205,930,746.81
  5. Step 5: Solve for x
    x = 205,930,746.81/20,008.74
  6. Step 6: Final answer
    x = 10,292.04

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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.