Home / 18,012.80-24,857.52-10,054.78

Finding the Fourth Proportional to 18,012.80, 24,857.52 and 10,054.78

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Solution

The fourth proportional to 18,012.80, 24,857.52 and 10,054.78 is: 13,875.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,012.80 : 24,857.52 = 10,054.78 : x
  2. Step 2: Convert to fraction form
    18,012.80/24,857.52 = 10,054.78/x
  3. Step 3: Cross multiply
    18,012.80x = 24,857.52 × 10,054.78
  4. Step 4: Simplify right side
    18,012.80x = 249,936,894.95
  5. Step 5: Solve for x
    x = 249,936,894.95/18,012.80
  6. Step 6: Final answer
    x = 13,875.52

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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.