Home / 20,294.17-28,004.60-11,339.93

Finding the Fourth Proportional to 20,294.17, 28,004.60 and 11,339.93

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Solution

The fourth proportional to 20,294.17, 28,004.60 and 11,339.93 is: 15,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,294.17 : 28,004.60 = 11,339.93 : x
  2. Step 2: Convert to fraction form
    20,294.17/28,004.60 = 11,339.93/x
  3. Step 3: Cross multiply
    20,294.17x = 28,004.60 × 11,339.93
  4. Step 4: Simplify right side
    20,294.17x = 317,570,302.04
  5. Step 5: Solve for x
    x = 317,570,302.04/20,294.17
  6. Step 6: Final answer
    x = 15,648.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.