Home / 11,585.53-15,987.96-6,549.75

Finding the Fourth Proportional to 11,585.53, 15,987.96 and 6,549.75

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Solution

The fourth proportional to 11,585.53, 15,987.96 and 6,549.75 is: 9,038.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,585.53 : 15,987.96 = 6,549.75 : x
  2. Step 2: Convert to fraction form
    11,585.53/15,987.96 = 6,549.75/x
  3. Step 3: Cross multiply
    11,585.53x = 15,987.96 × 6,549.75
  4. Step 4: Simplify right side
    11,585.53x = 104,717,077.62
  5. Step 5: Solve for x
    x = 104,717,077.62/11,585.53
  6. Step 6: Final answer
    x = 9,038.61

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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.