Home / 12,386.13-18,580.38-4,066.17

Finding the Fourth Proportional to 12,386.13, 18,580.38 and 4,066.17

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Solution

The fourth proportional to 12,386.13, 18,580.38 and 4,066.17 is: 6,099.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,386.13 : 18,580.38 = 4,066.17 : x
  2. Step 2: Convert to fraction form
    12,386.13/18,580.38 = 4,066.17/x
  3. Step 3: Cross multiply
    12,386.13x = 18,580.38 × 4,066.17
  4. Step 4: Simplify right side
    12,386.13x = 75,550,983.74
  5. Step 5: Solve for x
    x = 75,550,983.74/12,386.13
  6. Step 6: Final answer
    x = 6,099.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.