Home / 14,258.19-21,379.59-6,462.75

Finding the Fourth Proportional to 14,258.19, 21,379.59 and 6,462.75

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Solution

The fourth proportional to 14,258.19, 21,379.59 and 6,462.75 is: 9,690.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258.19 : 21,379.59 = 6,462.75 : x
  2. Step 2: Convert to fraction form
    14,258.19/21,379.59 = 6,462.75/x
  3. Step 3: Cross multiply
    14,258.19x = 21,379.59 × 6,462.75
  4. Step 4: Simplify right side
    14,258.19x = 138,170,945.27
  5. Step 5: Solve for x
    x = 138,170,945.27/14,258.19
  6. Step 6: Final answer
    x = 9,690.64

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Double scale
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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.