Home / 21,856.16-32,784.48-10,166.24

Finding the Fourth Proportional to 21,856.16, 32,784.48 and 10,166.24

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Solution

The fourth proportional to 21,856.16, 32,784.48 and 10,166.24 is: 15,249.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856.16 : 32,784.48 = 10,166.24 : x
  2. Step 2: Convert to fraction form
    21,856.16/32,784.48 = 10,166.24/x
  3. Step 3: Cross multiply
    21,856.16x = 32,784.48 × 10,166.24
  4. Step 4: Simplify right side
    21,856.16x = 333,294,891.96
  5. Step 5: Solve for x
    x = 333,294,891.96/21,856.16
  6. Step 6: Final answer
    x = 15,249.47

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1.5x scale

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.