Home / 15,349.14-21,186.46-9,609.64

Finding the Fourth Proportional to 15,349.14, 21,186.46 and 9,609.64

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Solution

The fourth proportional to 15,349.14, 21,186.46 and 9,609.64 is: 13,264.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,349.14 : 21,186.46 = 9,609.64 : x
  2. Step 2: Convert to fraction form
    15,349.14/21,186.46 = 9,609.64/x
  3. Step 3: Cross multiply
    15,349.14x = 21,186.46 × 9,609.64
  4. Step 4: Simplify right side
    15,349.14x = 203,594,253.47
  5. Step 5: Solve for x
    x = 203,594,253.47/15,349.14
  6. Step 6: Final answer
    x = 13,264.21

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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.