Home / 15,697.92-21,640.32-10,967.52

Finding the Fourth Proportional to 15,697.92, 21,640.32 and 10,967.52

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Solution

The fourth proportional to 15,697.92, 21,640.32 and 10,967.52 is: 15,119.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,697.92 : 21,640.32 = 10,967.52 : x
  2. Step 2: Convert to fraction form
    15,697.92/21,640.32 = 10,967.52/x
  3. Step 3: Cross multiply
    15,697.92x = 21,640.32 × 10,967.52
  4. Step 4: Simplify right side
    15,697.92x = 237,340,642.41
  5. Step 5: Solve for x
    x = 237,340,642.41/15,697.92
  6. Step 6: Final answer
    x = 15,119.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.