Home / 10,492.97-14,479.85-5,712.93

Finding the Fourth Proportional to 10,492.97, 14,479.85 and 5,712.93

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Solution

The fourth proportional to 10,492.97, 14,479.85 and 5,712.93 is: 7,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,492.97 : 14,479.85 = 5,712.93 : x
  2. Step 2: Convert to fraction form
    10,492.97/14,479.85 = 5,712.93/x
  3. Step 3: Cross multiply
    10,492.97x = 14,479.85 × 5,712.93
  4. Step 4: Simplify right side
    10,492.97x = 82,722,383.74
  5. Step 5: Solve for x
    x = 82,722,383.74/10,492.97
  6. Step 6: Final answer
    x = 7,883.60

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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.