Home / 11,482.29-15,844.28-6,445.49

Finding the Fourth Proportional to 11,482.29, 15,844.28 and 6,445.49

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Solution

The fourth proportional to 11,482.29, 15,844.28 and 6,445.49 is: 8,894.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,482.29 : 15,844.28 = 6,445.49 : x
  2. Step 2: Convert to fraction form
    11,482.29/15,844.28 = 6,445.49/x
  3. Step 3: Cross multiply
    11,482.29x = 15,844.28 × 6,445.49
  4. Step 4: Simplify right side
    11,482.29x = 102,124,036.85
  5. Step 5: Solve for x
    x = 102,124,036.85/11,482.29
  6. Step 6: Final answer
    x = 8,894.05

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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.