Home / 18,387.05-25,373.88-10,833.69

Finding the Fourth Proportional to 18,387.05, 25,373.88 and 10,833.69

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Solution

The fourth proportional to 18,387.05, 25,373.88 and 10,833.69 is: 14,950.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,387.05 : 25,373.88 = 10,833.69 : x
  2. Step 2: Convert to fraction form
    18,387.05/25,373.88 = 10,833.69/x
  3. Step 3: Cross multiply
    18,387.05x = 25,373.88 × 10,833.69
  4. Step 4: Simplify right side
    18,387.05x = 274,892,750.02
  5. Step 5: Solve for x
    x = 274,892,750.02/18,387.05
  6. Step 6: Final answer
    x = 14,950.35

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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.