Home / 11,210.34-16,817.72-3,312.99

Finding the Fourth Proportional to 11,210.34, 16,817.72 and 3,312.99

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Solution

The fourth proportional to 11,210.34, 16,817.72 and 3,312.99 is: 4,970.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.34 : 16,817.72 = 3,312.99 : x
  2. Step 2: Convert to fraction form
    11,210.34/16,817.72 = 3,312.99/x
  3. Step 3: Cross multiply
    11,210.34x = 16,817.72 × 3,312.99
  4. Step 4: Simplify right side
    11,210.34x = 55,716,938.18
  5. Step 5: Solve for x
    x = 55,716,938.18/11,210.34
  6. Step 6: Final answer
    x = 4,970.14

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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.