Home / 10,920.18-16,362.99-6,532.14

Finding the Fourth Proportional to 10,920.18, 16,362.99 and 6,532.14

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Solution

The fourth proportional to 10,920.18, 16,362.99 and 6,532.14 is: 9,787.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920.18 : 16,362.99 = 6,532.14 : x
  2. Step 2: Convert to fraction form
    10,920.18/16,362.99 = 6,532.14/x
  3. Step 3: Cross multiply
    10,920.18x = 16,362.99 × 6,532.14
  4. Step 4: Simplify right side
    10,920.18x = 106,885,341.50
  5. Step 5: Solve for x
    x = 106,885,341.50/10,920.18
  6. Step 6: Final answer
    x = 9,787.87

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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.