Home / 11,077.21-15,282.30-7,097.68

Finding the Fourth Proportional to 11,077.21, 15,282.30 and 7,097.68

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Solution

The fourth proportional to 11,077.21, 15,282.30 and 7,097.68 is: 9,792.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.21 : 15,282.30 = 7,097.68 : x
  2. Step 2: Convert to fraction form
    11,077.21/15,282.30 = 7,097.68/x
  3. Step 3: Cross multiply
    11,077.21x = 15,282.30 × 7,097.68
  4. Step 4: Simplify right side
    11,077.21x = 108,468,875.06
  5. Step 5: Solve for x
    x = 108,468,875.06/11,077.21
  6. Step 6: Final answer
    x = 9,792.08

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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.