Home / 10,012.06-13,821.24-6,240.40

Finding the Fourth Proportional to 10,012.06, 13,821.24 and 6,240.40

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Solution

The fourth proportional to 10,012.06, 13,821.24 and 6,240.40 is: 8,614.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.06 : 13,821.24 = 6,240.40 : x
  2. Step 2: Convert to fraction form
    10,012.06/13,821.24 = 6,240.40/x
  3. Step 3: Cross multiply
    10,012.06x = 13,821.24 × 6,240.40
  4. Step 4: Simplify right side
    10,012.06x = 86,250,066.10
  5. Step 5: Solve for x
    x = 86,250,066.10/10,012.06
  6. Step 6: Final answer
    x = 8,614.62

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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.