Home / 15,640.23-23,460.36-6,412.71

Finding the Fourth Proportional to 15,640.23, 23,460.36 and 6,412.71

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Solution

The fourth proportional to 15,640.23, 23,460.36 and 6,412.71 is: 9,619.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,640.23 : 23,460.36 = 6,412.71 : x
  2. Step 2: Convert to fraction form
    15,640.23/23,460.36 = 6,412.71/x
  3. Step 3: Cross multiply
    15,640.23x = 23,460.36 × 6,412.71
  4. Step 4: Simplify right side
    15,640.23x = 150,444,485.18
  5. Step 5: Solve for x
    x = 150,444,485.18/15,640.23
  6. Step 6: Final answer
    x = 9,619.07

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.