Home / 12,746.60-19,113.69-5,349.05

Finding the Fourth Proportional to 12,746.60, 19,113.69 and 5,349.05

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Solution

The fourth proportional to 12,746.60, 19,113.69 and 5,349.05 is: 8,020.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,746.60 : 19,113.69 = 5,349.05 : x
  2. Step 2: Convert to fraction form
    12,746.60/19,113.69 = 5,349.05/x
  3. Step 3: Cross multiply
    12,746.60x = 19,113.69 × 5,349.05
  4. Step 4: Simplify right side
    12,746.60x = 102,240,083.49
  5. Step 5: Solve for x
    x = 102,240,083.49/12,746.60
  6. Step 6: Final answer
    x = 8,020.97

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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.