Home / 9,316.36-12,856.67-5,337.39

Finding the Fourth Proportional to 9,316.36, 12,856.67 and 5,337.39

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Solution

The fourth proportional to 9,316.36, 12,856.67 and 5,337.39 is: 7,365.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.36 : 12,856.67 = 5,337.39 : x
  2. Step 2: Convert to fraction form
    9,316.36/12,856.67 = 5,337.39/x
  3. Step 3: Cross multiply
    9,316.36x = 12,856.67 × 5,337.39
  4. Step 4: Simplify right side
    9,316.36x = 68,621,024.98
  5. Step 5: Solve for x
    x = 68,621,024.98/9,316.36
  6. Step 6: Final answer
    x = 7,365.65

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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.