Home / 15,390.69-23,081.93-4,295.43

Finding the Fourth Proportional to 15,390.69, 23,081.93 and 4,295.43

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Solution

The fourth proportional to 15,390.69, 23,081.93 and 4,295.43 is: 6,442.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,390.69 : 23,081.93 = 4,295.43 : x
  2. Step 2: Convert to fraction form
    15,390.69/23,081.93 = 4,295.43/x
  3. Step 3: Cross multiply
    15,390.69x = 23,081.93 × 4,295.43
  4. Step 4: Simplify right side
    15,390.69x = 99,146,793.10
  5. Step 5: Solve for x
    x = 99,146,793.10/15,390.69
  6. Step 6: Final answer
    x = 6,442.00

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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.