Home / 9,464.78-12,966.80-9,110.08

Finding the Fourth Proportional to 9,464.78, 12,966.80 and 9,110.08

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Solution

The fourth proportional to 9,464.78, 12,966.80 and 9,110.08 is: 12,480.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,464.78 : 12,966.80 = 9,110.08 : x
  2. Step 2: Convert to fraction form
    9,464.78/12,966.80 = 9,110.08/x
  3. Step 3: Cross multiply
    9,464.78x = 12,966.80 × 9,110.08
  4. Step 4: Simplify right side
    9,464.78x = 118,128,585.34
  5. Step 5: Solve for x
    x = 118,128,585.34/9,464.78
  6. Step 6: Final answer
    x = 12,480.86

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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.