Home / 9,555.64-14,321.31-5,176.78

Finding the Fourth Proportional to 9,555.64, 14,321.31 and 5,176.78

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Solution

The fourth proportional to 9,555.64, 14,321.31 and 5,176.78 is: 7,758.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,555.64 : 14,321.31 = 5,176.78 : x
  2. Step 2: Convert to fraction form
    9,555.64/14,321.31 = 5,176.78/x
  3. Step 3: Cross multiply
    9,555.64x = 14,321.31 × 5,176.78
  4. Step 4: Simplify right side
    9,555.64x = 74,138,271.18
  5. Step 5: Solve for x
    x = 74,138,271.18/9,555.64
  6. Step 6: Final answer
    x = 7,758.59

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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.