Home / 14,370.43-21,515.59-7,335.31

Finding the Fourth Proportional to 14,370.43, 21,515.59 and 7,335.31

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Solution

The fourth proportional to 14,370.43, 21,515.59 and 7,335.31 is: 10,982.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370.43 : 21,515.59 = 7,335.31 : x
  2. Step 2: Convert to fraction form
    14,370.43/21,515.59 = 7,335.31/x
  3. Step 3: Cross multiply
    14,370.43x = 21,515.59 × 7,335.31
  4. Step 4: Simplify right side
    14,370.43x = 157,823,396.57
  5. Step 5: Solve for x
    x = 157,823,396.57/14,370.43
  6. Step 6: Final answer
    x = 10,982.51

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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.