Home / 9,674.36-13,345.69-6,319.13

Finding the Fourth Proportional to 9,674.36, 13,345.69 and 6,319.13

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Solution

The fourth proportional to 9,674.36, 13,345.69 and 6,319.13 is: 8,717.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,674.36 : 13,345.69 = 6,319.13 : x
  2. Step 2: Convert to fraction form
    9,674.36/13,345.69 = 6,319.13/x
  3. Step 3: Cross multiply
    9,674.36x = 13,345.69 × 6,319.13
  4. Step 4: Simplify right side
    9,674.36x = 84,333,150.05
  5. Step 5: Solve for x
    x = 84,333,150.05/9,674.36
  6. Step 6: Final answer
    x = 8,717.18

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Half scale
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Double scale
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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.