Home / 14,341.18-21,517.28-6,945.07

Finding the Fourth Proportional to 14,341.18, 21,517.28 and 6,945.07

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Solution

The fourth proportional to 14,341.18, 21,517.28 and 6,945.07 is: 10,420.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,341.18 : 21,517.28 = 6,945.07 : x
  2. Step 2: Convert to fraction form
    14,341.18/21,517.28 = 6,945.07/x
  3. Step 3: Cross multiply
    14,341.18x = 21,517.28 × 6,945.07
  4. Step 4: Simplify right side
    14,341.18x = 149,438,979.38
  5. Step 5: Solve for x
    x = 149,438,979.38/14,341.18
  6. Step 6: Final answer
    x = 10,420.27

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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.