Home / 10,392.66-14,341.79-5,676.95

Finding the Fourth Proportional to 10,392.66, 14,341.79 and 5,676.95

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Solution

The fourth proportional to 10,392.66, 14,341.79 and 5,676.95 is: 7,834.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392.66 : 14,341.79 = 5,676.95 : x
  2. Step 2: Convert to fraction form
    10,392.66/14,341.79 = 5,676.95/x
  3. Step 3: Cross multiply
    10,392.66x = 14,341.79 × 5,676.95
  4. Step 4: Simplify right side
    10,392.66x = 81,417,524.65
  5. Step 5: Solve for x
    x = 81,417,524.65/10,392.66
  6. Step 6: Final answer
    x = 7,834.14

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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.