Home / 9,319.66-12,861.36-5,070.96

Finding the Fourth Proportional to 9,319.66, 12,861.36 and 5,070.96

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Solution

The fourth proportional to 9,319.66, 12,861.36 and 5,070.96 is: 6,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.66 : 12,861.36 = 5,070.96 : x
  2. Step 2: Convert to fraction form
    9,319.66/12,861.36 = 5,070.96/x
  3. Step 3: Cross multiply
    9,319.66x = 12,861.36 × 5,070.96
  4. Step 4: Simplify right side
    9,319.66x = 65,219,442.11
  5. Step 5: Solve for x
    x = 65,219,442.11/9,319.66
  6. Step 6: Final answer
    x = 6,998.05

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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.