Home / 15,190.32-22,747.81-10,515

Finding the Fourth Proportional to 15,190.32, 22,747.81 and 10,515

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Solution

The fourth proportional to 15,190.32, 22,747.81 and 10,515 is: 15,746.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,190.32 : 22,747.81 = 10,515 : x
  2. Step 2: Convert to fraction form
    15,190.32/22,747.81 = 10,515/x
  3. Step 3: Cross multiply
    15,190.32x = 22,747.81 × 10,515
  4. Step 4: Simplify right side
    15,190.32x = 239,193,222.15
  5. Step 5: Solve for x
    x = 239,193,222.15/15,190.32
  6. Step 6: Final answer
    x = 15,746.42

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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.