Home / 14,572.51-21,858.78-6,247.15

Finding the Fourth Proportional to 14,572.51, 21,858.78 and 6,247.15

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Solution

The fourth proportional to 14,572.51, 21,858.78 and 6,247.15 is: 9,370.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,572.51 : 21,858.78 = 6,247.15 : x
  2. Step 2: Convert to fraction form
    14,572.51/21,858.78 = 6,247.15/x
  3. Step 3: Cross multiply
    14,572.51x = 21,858.78 × 6,247.15
  4. Step 4: Simplify right side
    14,572.51x = 136,555,077.48
  5. Step 5: Solve for x
    x = 136,555,077.48/14,572.51
  6. Step 6: Final answer
    x = 9,370.73

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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.