Home / 10,509.47-15,767.25-3,114.07

Finding the Fourth Proportional to 10,509.47, 15,767.25 and 3,114.07

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Solution

The fourth proportional to 10,509.47, 15,767.25 and 3,114.07 is: 4,672.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509.47 : 15,767.25 = 3,114.07 : x
  2. Step 2: Convert to fraction form
    10,509.47/15,767.25 = 3,114.07/x
  3. Step 3: Cross multiply
    10,509.47x = 15,767.25 × 3,114.07
  4. Step 4: Simplify right side
    10,509.47x = 49,100,320.21
  5. Step 5: Solve for x
    x = 49,100,320.21/10,509.47
  6. Step 6: Final answer
    x = 4,672.01

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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.