Home / 18,830.31-25,986.11-10,333.28

Finding the Fourth Proportional to 18,830.31, 25,986.11 and 10,333.28

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Solution

The fourth proportional to 18,830.31, 25,986.11 and 10,333.28 is: 14,260.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830.31 : 25,986.11 = 10,333.28 : x
  2. Step 2: Convert to fraction form
    18,830.31/25,986.11 = 10,333.28/x
  3. Step 3: Cross multiply
    18,830.31x = 25,986.11 × 10,333.28
  4. Step 4: Simplify right side
    18,830.31x = 268,521,750.74
  5. Step 5: Solve for x
    x = 268,521,750.74/18,830.31
  6. Step 6: Final answer
    x = 14,260.08

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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.