Home / 10,555.92-15,818.76-5,365.44

Finding the Fourth Proportional to 10,555.92, 15,818.76 and 5,365.44

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Solution

The fourth proportional to 10,555.92, 15,818.76 and 5,365.44 is: 8,040.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.92 : 15,818.76 = 5,365.44 : x
  2. Step 2: Convert to fraction form
    10,555.92/15,818.76 = 5,365.44/x
  3. Step 3: Cross multiply
    10,555.92x = 15,818.76 × 5,365.44
  4. Step 4: Simplify right side
    10,555.92x = 84,874,607.65
  5. Step 5: Solve for x
    x = 84,874,607.65/10,555.92
  6. Step 6: Final answer
    x = 8,040.47

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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.