Home / 10,509.24-15,764.40-2,718.12

Finding the Fourth Proportional to 10,509.24, 15,764.40 and 2,718.12

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Solution

The fourth proportional to 10,509.24, 15,764.40 and 2,718.12 is: 4,077.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509.24 : 15,764.40 = 2,718.12 : x
  2. Step 2: Convert to fraction form
    10,509.24/15,764.40 = 2,718.12/x
  3. Step 3: Cross multiply
    10,509.24x = 15,764.40 × 2,718.12
  4. Step 4: Simplify right side
    10,509.24x = 42,849,530.93
  5. Step 5: Solve for x
    x = 42,849,530.93/10,509.24
  6. Step 6: Final answer
    x = 4,077.32

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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.