Home / 23,015.07-31,758.01-12,803.69

Finding the Fourth Proportional to 23,015.07, 31,758.01 and 12,803.69

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Solution

The fourth proportional to 23,015.07, 31,758.01 and 12,803.69 is: 17,667.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,015.07 : 31,758.01 = 12,803.69 : x
  2. Step 2: Convert to fraction form
    23,015.07/31,758.01 = 12,803.69/x
  3. Step 3: Cross multiply
    23,015.07x = 31,758.01 × 12,803.69
  4. Step 4: Simplify right side
    23,015.07x = 406,619,715.06
  5. Step 5: Solve for x
    x = 406,619,715.06/23,015.07
  6. Step 6: Final answer
    x = 17,667.54

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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.