Home / 20,187.08-30,281.66-6,337.16

Finding the Fourth Proportional to 20,187.08, 30,281.66 and 6,337.16

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Solution

The fourth proportional to 20,187.08, 30,281.66 and 6,337.16 is: 9,506.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187.08 : 30,281.66 = 6,337.16 : x
  2. Step 2: Convert to fraction form
    20,187.08/30,281.66 = 6,337.16/x
  3. Step 3: Cross multiply
    20,187.08x = 30,281.66 × 6,337.16
  4. Step 4: Simplify right side
    20,187.08x = 191,899,724.49
  5. Step 5: Solve for x
    x = 191,899,724.49/20,187.08
  6. Step 6: Final answer
    x = 9,506.07

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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.