Home / 11,280.06-15,564.45-6,499.14

Finding the Fourth Proportional to 11,280.06, 15,564.45 and 6,499.14

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Solution

The fourth proportional to 11,280.06, 15,564.45 and 6,499.14 is: 8,967.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.06 : 15,564.45 = 6,499.14 : x
  2. Step 2: Convert to fraction form
    11,280.06/15,564.45 = 6,499.14/x
  3. Step 3: Cross multiply
    11,280.06x = 15,564.45 × 6,499.14
  4. Step 4: Simplify right side
    11,280.06x = 101,155,539.57
  5. Step 5: Solve for x
    x = 101,155,539.57/11,280.06
  6. Step 6: Final answer
    x = 8,967.64

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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.