Home / 12,039.71-18,055.86-4,246.70

Finding the Fourth Proportional to 12,039.71, 18,055.86 and 4,246.70

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Solution

The fourth proportional to 12,039.71, 18,055.86 and 4,246.70 is: 6,368.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.71 : 18,055.86 = 4,246.70 : x
  2. Step 2: Convert to fraction form
    12,039.71/18,055.86 = 4,246.70/x
  3. Step 3: Cross multiply
    12,039.71x = 18,055.86 × 4,246.70
  4. Step 4: Simplify right side
    12,039.71x = 76,677,730.38
  5. Step 5: Solve for x
    x = 76,677,730.38/12,039.71
  6. Step 6: Final answer
    x = 6,368.74

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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.