Home / 10,936.25-15,089.59-6,460.19

Finding the Fourth Proportional to 10,936.25, 15,089.59 and 6,460.19

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Solution

The fourth proportional to 10,936.25, 15,089.59 and 6,460.19 is: 8,913.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,936.25 : 15,089.59 = 6,460.19 : x
  2. Step 2: Convert to fraction form
    10,936.25/15,089.59 = 6,460.19/x
  3. Step 3: Cross multiply
    10,936.25x = 15,089.59 × 6,460.19
  4. Step 4: Simplify right side
    10,936.25x = 97,481,618.42
  5. Step 5: Solve for x
    x = 97,481,618.42/10,936.25
  6. Step 6: Final answer
    x = 8,913.62

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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.