Home / 10,214.78-14,092.72-6,680.00

Finding the Fourth Proportional to 10,214.78, 14,092.72 and 6,680.00

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Solution

The fourth proportional to 10,214.78, 14,092.72 and 6,680.00 is: 9,216.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214.78 : 14,092.72 = 6,680.00 : x
  2. Step 2: Convert to fraction form
    10,214.78/14,092.72 = 6,680.00/x
  3. Step 3: Cross multiply
    10,214.78x = 14,092.72 × 6,680.00
  4. Step 4: Simplify right side
    10,214.78x = 94,139,388.13
  5. Step 5: Solve for x
    x = 94,139,388.13/10,214.78
  6. Step 6: Final answer
    x = 9,216.00

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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.