Home / 16,621.50-22,939.81-9,549.29

Finding the Fourth Proportional to 16,621.50, 22,939.81 and 9,549.29

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Solution

The fourth proportional to 16,621.50, 22,939.81 and 9,549.29 is: 13,179.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,621.50 : 22,939.81 = 9,549.29 : x
  2. Step 2: Convert to fraction form
    16,621.50/22,939.81 = 9,549.29/x
  3. Step 3: Cross multiply
    16,621.50x = 22,939.81 × 9,549.29
  4. Step 4: Simplify right side
    16,621.50x = 219,058,931.71
  5. Step 5: Solve for x
    x = 219,058,931.71/16,621.50
  6. Step 6: Final answer
    x = 13,179.25

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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.