Home / 13,854.08-20,750.40-9,946.72

Finding the Fourth Proportional to 13,854.08, 20,750.40 and 9,946.72

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Solution

The fourth proportional to 13,854.08, 20,750.40 and 9,946.72 is: 14,898.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854.08 : 20,750.40 = 9,946.72 : x
  2. Step 2: Convert to fraction form
    13,854.08/20,750.40 = 9,946.72/x
  3. Step 3: Cross multiply
    13,854.08x = 20,750.40 × 9,946.72
  4. Step 4: Simplify right side
    13,854.08x = 206,398,418.69
  5. Step 5: Solve for x
    x = 206,398,418.69/13,854.08
  6. Step 6: Final answer
    x = 14,898.02

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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.