Home / 11,335.56-15,643.01-6,231.19

Finding the Fourth Proportional to 11,335.56, 15,643.01 and 6,231.19

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Solution

The fourth proportional to 11,335.56, 15,643.01 and 6,231.19 is: 8,599.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.56 : 15,643.01 = 6,231.19 : x
  2. Step 2: Convert to fraction form
    11,335.56/15,643.01 = 6,231.19/x
  3. Step 3: Cross multiply
    11,335.56x = 15,643.01 × 6,231.19
  4. Step 4: Simplify right side
    11,335.56x = 97,474,579.25
  5. Step 5: Solve for x
    x = 97,474,579.25/11,335.56
  6. Step 6: Final answer
    x = 8,599.01

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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.