Home / 16,520.49-22,790.84-9,806.40

Finding the Fourth Proportional to 16,520.49, 22,790.84 and 9,806.40

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Solution

The fourth proportional to 16,520.49, 22,790.84 and 9,806.40 is: 13,528.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,520.49 : 22,790.84 = 9,806.40 : x
  2. Step 2: Convert to fraction form
    16,520.49/22,790.84 = 9,806.40/x
  3. Step 3: Cross multiply
    16,520.49x = 22,790.84 × 9,806.40
  4. Step 4: Simplify right side
    16,520.49x = 223,496,044.34
  5. Step 5: Solve for x
    x = 223,496,044.34/16,520.49
  6. Step 6: Final answer
    x = 13,528.41

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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.