Home / 18,263.28-27,394.47-9,995.81

Finding the Fourth Proportional to 18,263.28, 27,394.47 and 9,995.81

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Solution

The fourth proportional to 18,263.28, 27,394.47 and 9,995.81 is: 14,993.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,263.28 : 27,394.47 = 9,995.81 : x
  2. Step 2: Convert to fraction form
    18,263.28/27,394.47 = 9,995.81/x
  3. Step 3: Cross multiply
    18,263.28x = 27,394.47 × 9,995.81
  4. Step 4: Simplify right side
    18,263.28x = 273,829,780.20
  5. Step 5: Solve for x
    x = 273,829,780.20/18,263.28
  6. Step 6: Final answer
    x = 14,993.46

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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.