Home / 20,187.48-30,282.76-6,148.70

Finding the Fourth Proportional to 20,187.48, 30,282.76 and 6,148.70

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Solution

The fourth proportional to 20,187.48, 30,282.76 and 6,148.70 is: 9,223.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187.48 : 30,282.76 = 6,148.70 : x
  2. Step 2: Convert to fraction form
    20,187.48/30,282.76 = 6,148.70/x
  3. Step 3: Cross multiply
    20,187.48x = 30,282.76 × 6,148.70
  4. Step 4: Simplify right side
    20,187.48x = 186,199,455.00
  5. Step 5: Solve for x
    x = 186,199,455.00/20,187.48
  6. Step 6: Final answer
    x = 9,223.51

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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.