Home / 18,320.69-25,282.10-10,254.45

Finding the Fourth Proportional to 18,320.69, 25,282.10 and 10,254.45

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Solution

The fourth proportional to 18,320.69, 25,282.10 and 10,254.45 is: 14,150.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,320.69 : 25,282.10 = 10,254.45 : x
  2. Step 2: Convert to fraction form
    18,320.69/25,282.10 = 10,254.45/x
  3. Step 3: Cross multiply
    18,320.69x = 25,282.10 × 10,254.45
  4. Step 4: Simplify right side
    18,320.69x = 259,254,055.98
  5. Step 5: Solve for x
    x = 259,254,055.98/18,320.69
  6. Step 6: Final answer
    x = 14,150.89

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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.