Home / 18,278.58-25,224.45-9,895.08

Finding the Fourth Proportional to 18,278.58, 25,224.45 and 9,895.08

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Solution

The fourth proportional to 18,278.58, 25,224.45 and 9,895.08 is: 13,655.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,278.58 : 25,224.45 = 9,895.08 : x
  2. Step 2: Convert to fraction form
    18,278.58/25,224.45 = 9,895.08/x
  3. Step 3: Cross multiply
    18,278.58x = 25,224.45 × 9,895.08
  4. Step 4: Simplify right side
    18,278.58x = 249,597,866.30
  5. Step 5: Solve for x
    x = 249,597,866.30/18,278.58
  6. Step 6: Final answer
    x = 13,655.21

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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.