Home / 10,257.39-15,393.51-4,415.67

Finding the Fourth Proportional to 10,257.39, 15,393.51 and 4,415.67

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Solution

The fourth proportional to 10,257.39, 15,393.51 and 4,415.67 is: 6,626.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.39 : 15,393.51 = 4,415.67 : x
  2. Step 2: Convert to fraction form
    10,257.39/15,393.51 = 4,415.67/x
  3. Step 3: Cross multiply
    10,257.39x = 15,393.51 × 4,415.67
  4. Step 4: Simplify right side
    10,257.39x = 67,972,660.30
  5. Step 5: Solve for x
    x = 67,972,660.30/10,257.39
  6. Step 6: Final answer
    x = 6,626.70

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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.