Home / 13,756.28-18,983.14-7,468.52

Finding the Fourth Proportional to 13,756.28, 18,983.14 and 7,468.52

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Solution

The fourth proportional to 13,756.28, 18,983.14 and 7,468.52 is: 10,306.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756.28 : 18,983.14 = 7,468.52 : x
  2. Step 2: Convert to fraction form
    13,756.28/18,983.14 = 7,468.52/x
  3. Step 3: Cross multiply
    13,756.28x = 18,983.14 × 7,468.52
  4. Step 4: Simplify right side
    13,756.28x = 141,775,960.75
  5. Step 5: Solve for x
    x = 141,775,960.75/13,756.28
  6. Step 6: Final answer
    x = 10,306.27

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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.