Home / 10,643.29-15,964.34-3,247.16

Finding the Fourth Proportional to 10,643.29, 15,964.34 and 3,247.16

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Solution

The fourth proportional to 10,643.29, 15,964.34 and 3,247.16 is: 4,870.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.29 : 15,964.34 = 3,247.16 : x
  2. Step 2: Convert to fraction form
    10,643.29/15,964.34 = 3,247.16/x
  3. Step 3: Cross multiply
    10,643.29x = 15,964.34 × 3,247.16
  4. Step 4: Simplify right side
    10,643.29x = 51,838,670.22
  5. Step 5: Solve for x
    x = 51,838,670.22/10,643.29
  6. Step 6: Final answer
    x = 4,870.55

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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.