Home / 10,555.19-15,833.69-2,764

Finding the Fourth Proportional to 10,555.19, 15,833.69 and 2,764

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Solution

The fourth proportional to 10,555.19, 15,833.69 and 2,764 is: 4,146.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.19 : 15,833.69 = 2,764 : x
  2. Step 2: Convert to fraction form
    10,555.19/15,833.69 = 2,764/x
  3. Step 3: Cross multiply
    10,555.19x = 15,833.69 × 2,764
  4. Step 4: Simplify right side
    10,555.19x = 43,764,319.16
  5. Step 5: Solve for x
    x = 43,764,319.16/10,555.19
  6. Step 6: Final answer
    x = 4,146.24

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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.