Home / 9,345.26-12,897.37-6,983.30

Finding the Fourth Proportional to 9,345.26, 12,897.37 and 6,983.30

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Solution

The fourth proportional to 9,345.26, 12,897.37 and 6,983.30 is: 9,637.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,345.26 : 12,897.37 = 6,983.30 : x
  2. Step 2: Convert to fraction form
    9,345.26/12,897.37 = 6,983.30/x
  3. Step 3: Cross multiply
    9,345.26x = 12,897.37 × 6,983.30
  4. Step 4: Simplify right side
    9,345.26x = 90,066,203.92
  5. Step 5: Solve for x
    x = 90,066,203.92/9,345.26
  6. Step 6: Final answer
    x = 9,637.63

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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.