Home / 11,005.43-15,184.59-6,530.18

Finding the Fourth Proportional to 11,005.43, 15,184.59 and 6,530.18

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Solution

The fourth proportional to 11,005.43, 15,184.59 and 6,530.18 is: 9,009.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.43 : 15,184.59 = 6,530.18 : x
  2. Step 2: Convert to fraction form
    11,005.43/15,184.59 = 6,530.18/x
  3. Step 3: Cross multiply
    11,005.43x = 15,184.59 × 6,530.18
  4. Step 4: Simplify right side
    11,005.43x = 99,158,105.93
  5. Step 5: Solve for x
    x = 99,158,105.93/11,005.43
  6. Step 6: Final answer
    x = 9,009.93

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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.