Home / 20,941.67-31,417.98-6,903.83

Finding the Fourth Proportional to 20,941.67, 31,417.98 and 6,903.83

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Solution

The fourth proportional to 20,941.67, 31,417.98 and 6,903.83 is: 10,357.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,941.67 : 31,417.98 = 6,903.83 : x
  2. Step 2: Convert to fraction form
    20,941.67/31,417.98 = 6,903.83/x
  3. Step 3: Cross multiply
    20,941.67x = 31,417.98 × 6,903.83
  4. Step 4: Simplify right side
    20,941.67x = 216,904,445.52
  5. Step 5: Solve for x
    x = 216,904,445.52/20,941.67
  6. Step 6: Final answer
    x = 10,357.55

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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.