Home / 9,207.18-12,705.90-5,015.46

Finding the Fourth Proportional to 9,207.18, 12,705.90 and 5,015.46

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Solution

The fourth proportional to 9,207.18, 12,705.90 and 5,015.46 is: 6,921.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207.18 : 12,705.90 = 5,015.46 : x
  2. Step 2: Convert to fraction form
    9,207.18/12,705.90 = 5,015.46/x
  3. Step 3: Cross multiply
    9,207.18x = 12,705.90 × 5,015.46
  4. Step 4: Simplify right side
    9,207.18x = 63,725,933.21
  5. Step 5: Solve for x
    x = 63,725,933.21/9,207.18
  6. Step 6: Final answer
    x = 6,921.33

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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.