Home / 16,638.74-22,969.54-10,680.53

Finding the Fourth Proportional to 16,638.74, 22,969.54 and 10,680.53

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Solution

The fourth proportional to 16,638.74, 22,969.54 and 10,680.53 is: 14,744.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,638.74 : 22,969.54 = 10,680.53 : x
  2. Step 2: Convert to fraction form
    16,638.74/22,969.54 = 10,680.53/x
  3. Step 3: Cross multiply
    16,638.74x = 22,969.54 × 10,680.53
  4. Step 4: Simplify right side
    16,638.74x = 245,326,908.31
  5. Step 5: Solve for x
    x = 245,326,908.31/16,638.74
  6. Step 6: Final answer
    x = 14,744.32

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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.