Home / 10,396.08-14,345.64-5,918.64

Finding the Fourth Proportional to 10,396.08, 14,345.64 and 5,918.64

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Solution

The fourth proportional to 10,396.08, 14,345.64 and 5,918.64 is: 8,167.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,396.08 : 14,345.64 = 5,918.64 : x
  2. Step 2: Convert to fraction form
    10,396.08/14,345.64 = 5,918.64/x
  3. Step 3: Cross multiply
    10,396.08x = 14,345.64 × 5,918.64
  4. Step 4: Simplify right side
    10,396.08x = 84,906,678.73
  5. Step 5: Solve for x
    x = 84,906,678.73/10,396.08
  6. Step 6: Final answer
    x = 8,167.18

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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.