Home / 12,627.15-18,946.18-6,776.92

Finding the Fourth Proportional to 12,627.15, 18,946.18 and 6,776.92

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Solution

The fourth proportional to 12,627.15, 18,946.18 and 6,776.92 is: 10,168.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.15 : 18,946.18 = 6,776.92 : x
  2. Step 2: Convert to fraction form
    12,627.15/18,946.18 = 6,776.92/x
  3. Step 3: Cross multiply
    12,627.15x = 18,946.18 × 6,776.92
  4. Step 4: Simplify right side
    12,627.15x = 128,396,746.17
  5. Step 5: Solve for x
    x = 128,396,746.17/12,627.15
  6. Step 6: Final answer
    x = 10,168.31

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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.