Home / 8,688.64-11,994.51-6,176.02

Finding the Fourth Proportional to 8,688.64, 11,994.51 and 6,176.02

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Solution

The fourth proportional to 8,688.64, 11,994.51 and 6,176.02 is: 8,525.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688.64 : 11,994.51 = 6,176.02 : x
  2. Step 2: Convert to fraction form
    8,688.64/11,994.51 = 6,176.02/x
  3. Step 3: Cross multiply
    8,688.64x = 11,994.51 × 6,176.02
  4. Step 4: Simplify right side
    8,688.64x = 74,078,333.65
  5. Step 5: Solve for x
    x = 74,078,333.65/8,688.64
  6. Step 6: Final answer
    x = 8,525.88

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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.