Home / 10,809.40-14,920.66-6,334.58

Finding the Fourth Proportional to 10,809.40, 14,920.66 and 6,334.58

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Solution

The fourth proportional to 10,809.40, 14,920.66 and 6,334.58 is: 8,743.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.40 : 14,920.66 = 6,334.58 : x
  2. Step 2: Convert to fraction form
    10,809.40/14,920.66 = 6,334.58/x
  3. Step 3: Cross multiply
    10,809.40x = 14,920.66 × 6,334.58
  4. Step 4: Simplify right side
    10,809.40x = 94,516,114.42
  5. Step 5: Solve for x
    x = 94,516,114.42/10,809.40
  6. Step 6: Final answer
    x = 8,743.88

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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.