Home / 10,040.76-13,863.06-6,269.67

Finding the Fourth Proportional to 10,040.76, 13,863.06 and 6,269.67

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Solution

The fourth proportional to 10,040.76, 13,863.06 and 6,269.67 is: 8,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.76 : 13,863.06 = 6,269.67 : x
  2. Step 2: Convert to fraction form
    10,040.76/13,863.06 = 6,269.67/x
  3. Step 3: Cross multiply
    10,040.76x = 13,863.06 × 6,269.67
  4. Step 4: Simplify right side
    10,040.76x = 86,916,811.39
  5. Step 5: Solve for x
    x = 86,916,811.39/10,040.76
  6. Step 6: Final answer
    x = 8,656.40

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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.