Home / 12,632.28-17,416.30-8,646.52

Finding the Fourth Proportional to 12,632.28, 17,416.30 and 8,646.52

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Solution

The fourth proportional to 12,632.28, 17,416.30 and 8,646.52 is: 11,921.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,632.28 : 17,416.30 = 8,646.52 : x
  2. Step 2: Convert to fraction form
    12,632.28/17,416.30 = 8,646.52/x
  3. Step 3: Cross multiply
    12,632.28x = 17,416.30 × 8,646.52
  4. Step 4: Simplify right side
    12,632.28x = 150,590,386.28
  5. Step 5: Solve for x
    x = 150,590,386.28/12,632.28
  6. Step 6: Final answer
    x = 11,921.08

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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.