Home / 14,014.36-19,330.62-8,425.36

Finding the Fourth Proportional to 14,014.36, 19,330.62 and 8,425.36

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Solution

The fourth proportional to 14,014.36, 19,330.62 and 8,425.36 is: 11,621.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.36 : 19,330.62 = 8,425.36 : x
  2. Step 2: Convert to fraction form
    14,014.36/19,330.62 = 8,425.36/x
  3. Step 3: Cross multiply
    14,014.36x = 19,330.62 × 8,425.36
  4. Step 4: Simplify right side
    14,014.36x = 162,867,432.52
  5. Step 5: Solve for x
    x = 162,867,432.52/14,014.36
  6. Step 6: Final answer
    x = 11,621.47

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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.