Home / 18,458.88-25,473.52-10,075.20

Finding the Fourth Proportional to 18,458.88, 25,473.52 and 10,075.20

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Solution

The fourth proportional to 18,458.88, 25,473.52 and 10,075.20 is: 13,903.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458.88 : 25,473.52 = 10,075.20 : x
  2. Step 2: Convert to fraction form
    18,458.88/25,473.52 = 10,075.20/x
  3. Step 3: Cross multiply
    18,458.88x = 25,473.52 × 10,075.20
  4. Step 4: Simplify right side
    18,458.88x = 256,650,808.70
  5. Step 5: Solve for x
    x = 256,650,808.70/18,458.88
  6. Step 6: Final answer
    x = 13,903.92

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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.