Home / 13,798.17-20,700.75-3,937.48

Finding the Fourth Proportional to 13,798.17, 20,700.75 and 3,937.48

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Solution

The fourth proportional to 13,798.17, 20,700.75 and 3,937.48 is: 5,907.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798.17 : 20,700.75 = 3,937.48 : x
  2. Step 2: Convert to fraction form
    13,798.17/20,700.75 = 3,937.48/x
  3. Step 3: Cross multiply
    13,798.17x = 20,700.75 × 3,937.48
  4. Step 4: Simplify right side
    13,798.17x = 81,508,769.42
  5. Step 5: Solve for x
    x = 81,508,769.42/13,798.17
  6. Step 6: Final answer
    x = 5,907.22

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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.