Home / 10,431.71-15,626.72-6,269.47

Finding the Fourth Proportional to 10,431.71, 15,626.72 and 6,269.47

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Solution

The fourth proportional to 10,431.71, 15,626.72 and 6,269.47 is: 9,391.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.71 : 15,626.72 = 6,269.47 : x
  2. Step 2: Convert to fraction form
    10,431.71/15,626.72 = 6,269.47/x
  3. Step 3: Cross multiply
    10,431.71x = 15,626.72 × 6,269.47
  4. Step 4: Simplify right side
    10,431.71x = 97,971,174.10
  5. Step 5: Solve for x
    x = 97,971,174.10/10,431.71
  6. Step 6: Final answer
    x = 9,391.67

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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.