Home / 20,494.13-30,740.65-5,702.45

Finding the Fourth Proportional to 20,494.13, 30,740.65 and 5,702.45

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Solution

The fourth proportional to 20,494.13, 30,740.65 and 5,702.45 is: 8,553.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,494.13 : 30,740.65 = 5,702.45 : x
  2. Step 2: Convert to fraction form
    20,494.13/30,740.65 = 5,702.45/x
  3. Step 3: Cross multiply
    20,494.13x = 30,740.65 × 5,702.45
  4. Step 4: Simplify right side
    20,494.13x = 175,296,851.63
  5. Step 5: Solve for x
    x = 175,296,851.63/20,494.13
  6. Step 6: Final answer
    x = 8,553.52

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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.