Home / 15,015.06-22,507.47-7,219.62

Finding the Fourth Proportional to 15,015.06, 22,507.47 and 7,219.62

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Solution

The fourth proportional to 15,015.06, 22,507.47 and 7,219.62 is: 10,822.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,015.06 : 22,507.47 = 7,219.62 : x
  2. Step 2: Convert to fraction form
    15,015.06/22,507.47 = 7,219.62/x
  3. Step 3: Cross multiply
    15,015.06x = 22,507.47 × 7,219.62
  4. Step 4: Simplify right side
    15,015.06x = 162,495,380.56
  5. Step 5: Solve for x
    x = 162,495,380.56/15,015.06
  6. Step 6: Final answer
    x = 10,822.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.