Home / 12,979.41-19,466.73-4,547.13

Finding the Fourth Proportional to 12,979.41, 19,466.73 and 4,547.13

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Solution

The fourth proportional to 12,979.41, 19,466.73 and 4,547.13 is: 6,819.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,979.41 : 19,466.73 = 4,547.13 : x
  2. Step 2: Convert to fraction form
    12,979.41/19,466.73 = 4,547.13/x
  3. Step 3: Cross multiply
    12,979.41x = 19,466.73 × 4,547.13
  4. Step 4: Simplify right side
    12,979.41x = 88,517,751.98
  5. Step 5: Solve for x
    x = 88,517,751.98/12,979.41
  6. Step 6: Final answer
    x = 6,819.86

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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.