Home / 9,943.30-13,723.06-6,416.78

Finding the Fourth Proportional to 9,943.30, 13,723.06 and 6,416.78

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Solution

The fourth proportional to 9,943.30, 13,723.06 and 6,416.78 is: 8,856.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,943.30 : 13,723.06 = 6,416.78 : x
  2. Step 2: Convert to fraction form
    9,943.30/13,723.06 = 6,416.78/x
  3. Step 3: Cross multiply
    9,943.30x = 13,723.06 × 6,416.78
  4. Step 4: Simplify right side
    9,943.30x = 88,057,856.95
  5. Step 5: Solve for x
    x = 88,057,856.95/9,943.30
  6. Step 6: Final answer
    x = 8,856.00

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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.