Home / 11,280.15-15,564.87-6,500.32

Finding the Fourth Proportional to 11,280.15, 15,564.87 and 6,500.32

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Solution

The fourth proportional to 11,280.15, 15,564.87 and 6,500.32 is: 8,969.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.15 : 15,564.87 = 6,500.32 : x
  2. Step 2: Convert to fraction form
    11,280.15/15,564.87 = 6,500.32/x
  3. Step 3: Cross multiply
    11,280.15x = 15,564.87 × 6,500.32
  4. Step 4: Simplify right side
    11,280.15x = 101,176,630.84
  5. Step 5: Solve for x
    x = 101,176,630.84/11,280.15
  6. Step 6: Final answer
    x = 8,969.44

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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.