Home / 14,193.08-21,289.62-7,950.14

Finding the Fourth Proportional to 14,193.08, 21,289.62 and 7,950.14

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Solution

The fourth proportional to 14,193.08, 21,289.62 and 7,950.14 is: 11,925.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.08 : 21,289.62 = 7,950.14 : x
  2. Step 2: Convert to fraction form
    14,193.08/21,289.62 = 7,950.14/x
  3. Step 3: Cross multiply
    14,193.08x = 21,289.62 × 7,950.14
  4. Step 4: Simplify right side
    14,193.08x = 169,255,459.55
  5. Step 5: Solve for x
    x = 169,255,459.55/14,193.08
  6. Step 6: Final answer
    x = 11,925.21

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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.