Home / 10,445.29-15,664.85-3,047.42

Finding the Fourth Proportional to 10,445.29, 15,664.85 and 3,047.42

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Solution

The fourth proportional to 10,445.29, 15,664.85 and 3,047.42 is: 4,570.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.29 : 15,664.85 = 3,047.42 : x
  2. Step 2: Convert to fraction form
    10,445.29/15,664.85 = 3,047.42/x
  3. Step 3: Cross multiply
    10,445.29x = 15,664.85 × 3,047.42
  4. Step 4: Simplify right side
    10,445.29x = 47,737,377.19
  5. Step 5: Solve for x
    x = 47,737,377.19/10,445.29
  6. Step 6: Final answer
    x = 4,570.23

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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.