Home / 10,304.29-15,442.31-6,788.99

Finding the Fourth Proportional to 10,304.29, 15,442.31 and 6,788.99

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Solution

The fourth proportional to 10,304.29, 15,442.31 and 6,788.99 is: 10,174.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,304.29 : 15,442.31 = 6,788.99 : x
  2. Step 2: Convert to fraction form
    10,304.29/15,442.31 = 6,788.99/x
  3. Step 3: Cross multiply
    10,304.29x = 15,442.31 × 6,788.99
  4. Step 4: Simplify right side
    10,304.29x = 104,837,688.17
  5. Step 5: Solve for x
    x = 104,837,688.17/10,304.29
  6. Step 6: Final answer
    x = 10,174.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.