Home / 14,309.57-21,476.21-7,294.77

Finding the Fourth Proportional to 14,309.57, 21,476.21 and 7,294.77

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Solution

The fourth proportional to 14,309.57, 21,476.21 and 7,294.77 is: 10,948.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,309.57 : 21,476.21 = 7,294.77 : x
  2. Step 2: Convert to fraction form
    14,309.57/21,476.21 = 7,294.77/x
  3. Step 3: Cross multiply
    14,309.57x = 21,476.21 × 7,294.77
  4. Step 4: Simplify right side
    14,309.57x = 156,663,975.95
  5. Step 5: Solve for x
    x = 156,663,975.95/14,309.57
  6. Step 6: Final answer
    x = 10,948.19

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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.