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Finding the Fourth Proportional to 8,698.66, 12,017.19 and 6,055.18

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Solution

The fourth proportional to 8,698.66, 12,017.19 and 6,055.18 is: 8,365.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698.66 : 12,017.19 = 6,055.18 : x
  2. Step 2: Convert to fraction form
    8,698.66/12,017.19 = 6,055.18/x
  3. Step 3: Cross multiply
    8,698.66x = 12,017.19 × 6,055.18
  4. Step 4: Simplify right side
    8,698.66x = 72,766,248.54
  5. Step 5: Solve for x
    x = 72,766,248.54/8,698.66
  6. Step 6: Final answer
    x = 8,365.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.