Home / 18,279.06-25,224.99-9,895.50

Finding the Fourth Proportional to 18,279.06, 25,224.99 and 9,895.50

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Solution

The fourth proportional to 18,279.06, 25,224.99 and 9,895.50 is: 13,655.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279.06 : 25,224.99 = 9,895.50 : x
  2. Step 2: Convert to fraction form
    18,279.06/25,224.99 = 9,895.50/x
  3. Step 3: Cross multiply
    18,279.06x = 25,224.99 × 9,895.50
  4. Step 4: Simplify right side
    18,279.06x = 249,613,888.55
  5. Step 5: Solve for x
    x = 249,613,888.55/18,279.06
  6. Step 6: Final answer
    x = 13,655.73

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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.