Home / 11,176.32-15,426.43-6,398.94

Finding the Fourth Proportional to 11,176.32, 15,426.43 and 6,398.94

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Solution

The fourth proportional to 11,176.32, 15,426.43 and 6,398.94 is: 8,832.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.32 : 15,426.43 = 6,398.94 : x
  2. Step 2: Convert to fraction form
    11,176.32/15,426.43 = 6,398.94/x
  3. Step 3: Cross multiply
    11,176.32x = 15,426.43 × 6,398.94
  4. Step 4: Simplify right side
    11,176.32x = 98,712,799.98
  5. Step 5: Solve for x
    x = 98,712,799.98/11,176.32
  6. Step 6: Final answer
    x = 8,832.32

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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.