Home / 11,005.07-15,184.61-6,530.30

Finding the Fourth Proportional to 11,005.07, 15,184.61 and 6,530.30

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Solution

The fourth proportional to 11,005.07, 15,184.61 and 6,530.30 is: 9,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.07 : 15,184.61 = 6,530.30 : x
  2. Step 2: Convert to fraction form
    11,005.07/15,184.61 = 6,530.30/x
  3. Step 3: Cross multiply
    11,005.07x = 15,184.61 × 6,530.30
  4. Step 4: Simplify right side
    11,005.07x = 99,160,025.57
  5. Step 5: Solve for x
    x = 99,160,025.57/11,005.07
  6. Step 6: Final answer
    x = 9,010.40

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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.