Home / 10,844.12-14,965.18-6,128.30

Finding the Fourth Proportional to 10,844.12, 14,965.18 and 6,128.30

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Solution

The fourth proportional to 10,844.12, 14,965.18 and 6,128.30 is: 8,457.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,844.12 : 14,965.18 = 6,128.30 : x
  2. Step 2: Convert to fraction form
    10,844.12/14,965.18 = 6,128.30/x
  3. Step 3: Cross multiply
    10,844.12x = 14,965.18 × 6,128.30
  4. Step 4: Simplify right side
    10,844.12x = 91,711,112.59
  5. Step 5: Solve for x
    x = 91,711,112.59/10,844.12
  6. Step 6: Final answer
    x = 8,457.22

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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.