Home / 20,941.59-31,407.51-6,146.55

Finding the Fourth Proportional to 20,941.59, 31,407.51 and 6,146.55

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Solution

The fourth proportional to 20,941.59, 31,407.51 and 6,146.55 is: 9,218.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,941.59 : 31,407.51 = 6,146.55 : x
  2. Step 2: Convert to fraction form
    20,941.59/31,407.51 = 6,146.55/x
  3. Step 3: Cross multiply
    20,941.59x = 31,407.51 × 6,146.55
  4. Step 4: Simplify right side
    20,941.59x = 193,047,830.59
  5. Step 5: Solve for x
    x = 193,047,830.59/20,941.59
  6. Step 6: Final answer
    x = 9,218.39

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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.