Home / 9,012.06-12,442.47-8,066.20

Finding the Fourth Proportional to 9,012.06, 12,442.47 and 8,066.20

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Solution

The fourth proportional to 9,012.06, 12,442.47 and 8,066.20 is: 11,136.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,012.06 : 12,442.47 = 8,066.20 : x
  2. Step 2: Convert to fraction form
    9,012.06/12,442.47 = 8,066.20/x
  3. Step 3: Cross multiply
    9,012.06x = 12,442.47 × 8,066.20
  4. Step 4: Simplify right side
    9,012.06x = 100,363,451.51
  5. Step 5: Solve for x
    x = 100,363,451.51/9,012.06
  6. Step 6: Final answer
    x = 11,136.57

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Half scale
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Double scale
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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.