Home / 20,386.94-30,580.14-5,595.85

Finding the Fourth Proportional to 20,386.94, 30,580.14 and 5,595.85

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Solution

The fourth proportional to 20,386.94, 30,580.14 and 5,595.85 is: 8,393.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,386.94 : 30,580.14 = 5,595.85 : x
  2. Step 2: Convert to fraction form
    20,386.94/30,580.14 = 5,595.85/x
  3. Step 3: Cross multiply
    20,386.94x = 30,580.14 × 5,595.85
  4. Step 4: Simplify right side
    20,386.94x = 171,121,876.42
  5. Step 5: Solve for x
    x = 171,121,876.42/20,386.94
  6. Step 6: Final answer
    x = 8,393.70

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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.