Home / 9,054.80-12,460.20-8,009.36

Finding the Fourth Proportional to 9,054.80, 12,460.20 and 8,009.36

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Solution

The fourth proportional to 9,054.80, 12,460.20 and 8,009.36 is: 11,021.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,054.80 : 12,460.20 = 8,009.36 : x
  2. Step 2: Convert to fraction form
    9,054.80/12,460.20 = 8,009.36/x
  3. Step 3: Cross multiply
    9,054.80x = 12,460.20 × 8,009.36
  4. Step 4: Simplify right side
    9,054.80x = 99,798,227.47
  5. Step 5: Solve for x
    x = 99,798,227.47/9,054.80
  6. Step 6: Final answer
    x = 11,021.58

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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.