Home / 15,294.21-21,112.01-10,841.23

Finding the Fourth Proportional to 15,294.21, 21,112.01 and 10,841.23

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Solution

The fourth proportional to 15,294.21, 21,112.01 and 10,841.23 is: 14,965.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,294.21 : 21,112.01 = 10,841.23 : x
  2. Step 2: Convert to fraction form
    15,294.21/21,112.01 = 10,841.23/x
  3. Step 3: Cross multiply
    15,294.21x = 21,112.01 × 10,841.23
  4. Step 4: Simplify right side
    15,294.21x = 228,880,101.97
  5. Step 5: Solve for x
    x = 228,880,101.97/15,294.21
  6. Step 6: Final answer
    x = 14,965.15

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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.