Home / 10,281.42-15,427.25-4,738.67

Finding the Fourth Proportional to 10,281.42, 15,427.25 and 4,738.67

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Solution

The fourth proportional to 10,281.42, 15,427.25 and 4,738.67 is: 7,110.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.42 : 15,427.25 = 4,738.67 : x
  2. Step 2: Convert to fraction form
    10,281.42/15,427.25 = 4,738.67/x
  3. Step 3: Cross multiply
    10,281.42x = 15,427.25 × 4,738.67
  4. Step 4: Simplify right side
    10,281.42x = 73,104,545.93
  5. Step 5: Solve for x
    x = 73,104,545.93/10,281.42
  6. Step 6: Final answer
    x = 7,110.35

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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.