Home / 15,344.50-21,167.22-10,300.18

Finding the Fourth Proportional to 15,344.50, 21,167.22 and 10,300.18

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Solution

The fourth proportional to 15,344.50, 21,167.22 and 10,300.18 is: 14,208.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,344.50 : 21,167.22 = 10,300.18 : x
  2. Step 2: Convert to fraction form
    15,344.50/21,167.22 = 10,300.18/x
  3. Step 3: Cross multiply
    15,344.50x = 21,167.22 × 10,300.18
  4. Step 4: Simplify right side
    15,344.50x = 218,026,176.10
  5. Step 5: Solve for x
    x = 218,026,176.10/15,344.50
  6. Step 6: Final answer
    x = 14,208.75

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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.