Home / 18,320.09-25,282.23-10,363.53

Finding the Fourth Proportional to 18,320.09, 25,282.23 and 10,363.53

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Solution

The fourth proportional to 18,320.09, 25,282.23 and 10,363.53 is: 14,301.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,320.09 : 25,282.23 = 10,363.53 : x
  2. Step 2: Convert to fraction form
    18,320.09/25,282.23 = 10,363.53/x
  3. Step 3: Cross multiply
    18,320.09x = 25,282.23 × 10,363.53
  4. Step 4: Simplify right side
    18,320.09x = 262,013,149.07
  5. Step 5: Solve for x
    x = 262,013,149.07/18,320.09
  6. Step 6: Final answer
    x = 14,301.96

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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.