Home / 18,283.06-25,230.51-9,899.50

Finding the Fourth Proportional to 18,283.06, 25,230.51 and 9,899.50

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Solution

The fourth proportional to 18,283.06, 25,230.51 and 9,899.50 is: 13,661.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,283.06 : 25,230.51 = 9,899.50 : x
  2. Step 2: Convert to fraction form
    18,283.06/25,230.51 = 9,899.50/x
  3. Step 3: Cross multiply
    18,283.06x = 25,230.51 × 9,899.50
  4. Step 4: Simplify right side
    18,283.06x = 249,769,433.75
  5. Step 5: Solve for x
    x = 249,769,433.75/18,283.06
  6. Step 6: Final answer
    x = 13,661.25

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Similar ratio
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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.