Home / 11,440.02-15,787.05-6,404.16

Finding the Fourth Proportional to 11,440.02, 15,787.05 and 6,404.16

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Solution

The fourth proportional to 11,440.02, 15,787.05 and 6,404.16 is: 8,837.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,440.02 : 15,787.05 = 6,404.16 : x
  2. Step 2: Convert to fraction form
    11,440.02/15,787.05 = 6,404.16/x
  3. Step 3: Cross multiply
    11,440.02x = 15,787.05 × 6,404.16
  4. Step 4: Simplify right side
    11,440.02x = 101,102,794.13
  5. Step 5: Solve for x
    x = 101,102,794.13/11,440.02
  6. Step 6: Final answer
    x = 8,837.64

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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.