Home / 9,926.96-13,631.54-8,878.64

Finding the Fourth Proportional to 9,926.96, 13,631.54 and 8,878.64

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Solution

The fourth proportional to 9,926.96, 13,631.54 and 8,878.64 is: 12,192.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,926.96 : 13,631.54 = 8,878.64 : x
  2. Step 2: Convert to fraction form
    9,926.96/13,631.54 = 8,878.64/x
  3. Step 3: Cross multiply
    9,926.96x = 13,631.54 × 8,878.64
  4. Step 4: Simplify right side
    9,926.96x = 121,029,536.31
  5. Step 5: Solve for x
    x = 121,029,536.31/9,926.96
  6. Step 6: Final answer
    x = 12,192.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.