Home / 9,719.64-14,565.48-4,171.50

Finding the Fourth Proportional to 9,719.64, 14,565.48 and 4,171.50

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Solution

The fourth proportional to 9,719.64, 14,565.48 and 4,171.50 is: 6,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.64 : 14,565.48 = 4,171.50 : x
  2. Step 2: Convert to fraction form
    9,719.64/14,565.48 = 4,171.50/x
  3. Step 3: Cross multiply
    9,719.64x = 14,565.48 × 4,171.50
  4. Step 4: Simplify right side
    9,719.64x = 60,759,899.82
  5. Step 5: Solve for x
    x = 60,759,899.82/9,719.64
  6. Step 6: Final answer
    x = 6,251.25

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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.