Home / 9,316.60-12,856.91-5,124.85

Finding the Fourth Proportional to 9,316.60, 12,856.91 and 5,124.85

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Solution

The fourth proportional to 9,316.60, 12,856.91 and 5,124.85 is: 7,072.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.60 : 12,856.91 = 5,124.85 : x
  2. Step 2: Convert to fraction form
    9,316.60/12,856.91 = 5,124.85/x
  3. Step 3: Cross multiply
    9,316.60x = 12,856.91 × 5,124.85
  4. Step 4: Simplify right side
    9,316.60x = 65,889,735.21
  5. Step 5: Solve for x
    x = 65,889,735.21/9,316.60
  6. Step 6: Final answer
    x = 7,072.29

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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.