Home / 13,330.10-19,990.92-5,537

Finding the Fourth Proportional to 13,330.10, 19,990.92 and 5,537

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Solution

The fourth proportional to 13,330.10, 19,990.92 and 5,537 is: 8,303.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.10 : 19,990.92 = 5,537 : x
  2. Step 2: Convert to fraction form
    13,330.10/19,990.92 = 5,537/x
  3. Step 3: Cross multiply
    13,330.10x = 19,990.92 × 5,537
  4. Step 4: Simplify right side
    13,330.10x = 110,689,724.04
  5. Step 5: Solve for x
    x = 110,689,724.04/13,330.10
  6. Step 6: Final answer
    x = 8,303.74

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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.