Home / 16,500.81-24,763.51-6,640.17

Finding the Fourth Proportional to 16,500.81, 24,763.51 and 6,640.17

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Solution

The fourth proportional to 16,500.81, 24,763.51 and 6,640.17 is: 9,965.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,500.81 : 24,763.51 = 6,640.17 : x
  2. Step 2: Convert to fraction form
    16,500.81/24,763.51 = 6,640.17/x
  3. Step 3: Cross multiply
    16,500.81x = 24,763.51 × 6,640.17
  4. Step 4: Simplify right side
    16,500.81x = 164,433,916.20
  5. Step 5: Solve for x
    x = 164,433,916.20/16,500.81
  6. Step 6: Final answer
    x = 9,965.20

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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.