Home / 11,072.64-15,280.47-6,357.23

Finding the Fourth Proportional to 11,072.64, 15,280.47 and 6,357.23

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Solution

The fourth proportional to 11,072.64, 15,280.47 and 6,357.23 is: 8,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072.64 : 15,280.47 = 6,357.23 : x
  2. Step 2: Convert to fraction form
    11,072.64/15,280.47 = 6,357.23/x
  3. Step 3: Cross multiply
    11,072.64x = 15,280.47 × 6,357.23
  4. Step 4: Simplify right side
    11,072.64x = 97,141,385.90
  5. Step 5: Solve for x
    x = 97,141,385.90/11,072.64
  6. Step 6: Final answer
    x = 8,773.10

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Double scale
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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.