Home / 10,440.78-14,410.37-6,194.20

Finding the Fourth Proportional to 10,440.78, 14,410.37 and 6,194.20

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Solution

The fourth proportional to 10,440.78, 14,410.37 and 6,194.20 is: 8,549.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.78 : 14,410.37 = 6,194.20 : x
  2. Step 2: Convert to fraction form
    10,440.78/14,410.37 = 6,194.20/x
  3. Step 3: Cross multiply
    10,440.78x = 14,410.37 × 6,194.20
  4. Step 4: Simplify right side
    10,440.78x = 89,260,699.71
  5. Step 5: Solve for x
    x = 89,260,699.71/10,440.78
  6. Step 6: Final answer
    x = 8,549.24

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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.