Home / 13,798.64-20,701.45-3,937.95

Finding the Fourth Proportional to 13,798.64, 20,701.45 and 3,937.95

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Solution

The fourth proportional to 13,798.64, 20,701.45 and 3,937.95 is: 5,907.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798.64 : 20,701.45 = 3,937.95 : x
  2. Step 2: Convert to fraction form
    13,798.64/20,701.45 = 3,937.95/x
  3. Step 3: Cross multiply
    13,798.64x = 20,701.45 × 3,937.95
  4. Step 4: Simplify right side
    13,798.64x = 81,521,265.18
  5. Step 5: Solve for x
    x = 81,521,265.18/13,798.64
  6. Step 6: Final answer
    x = 5,907.92

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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.