Home / 9,345.36-12,896.48-5,366.36

Finding the Fourth Proportional to 9,345.36, 12,896.48 and 5,366.36

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Solution

The fourth proportional to 9,345.36, 12,896.48 and 5,366.36 is: 7,405.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,345.36 : 12,896.48 = 5,366.36 : x
  2. Step 2: Convert to fraction form
    9,345.36/12,896.48 = 5,366.36/x
  3. Step 3: Cross multiply
    9,345.36x = 12,896.48 × 5,366.36
  4. Step 4: Simplify right side
    9,345.36x = 69,207,154.41
  5. Step 5: Solve for x
    x = 69,207,154.41/9,345.36
  6. Step 6: Final answer
    x = 7,405.51

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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.