Home / 16,423.40-24,638.70-5,328.20

Finding the Fourth Proportional to 16,423.40, 24,638.70 and 5,328.20

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Solution

The fourth proportional to 16,423.40, 24,638.70 and 5,328.20 is: 7,993.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,423.40 : 24,638.70 = 5,328.20 : x
  2. Step 2: Convert to fraction form
    16,423.40/24,638.70 = 5,328.20/x
  3. Step 3: Cross multiply
    16,423.40x = 24,638.70 × 5,328.20
  4. Step 4: Simplify right side
    16,423.40x = 131,279,921.34
  5. Step 5: Solve for x
    x = 131,279,921.34/16,423.40
  6. Step 6: Final answer
    x = 7,993.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.