Home / 13,211.92-19,821.52-10,740.60

Finding the Fourth Proportional to 13,211.92, 19,821.52 and 10,740.60

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Solution

The fourth proportional to 13,211.92, 19,821.52 and 10,740.60 is: 16,113.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,211.92 : 19,821.52 = 10,740.60 : x
  2. Step 2: Convert to fraction form
    13,211.92/19,821.52 = 10,740.60/x
  3. Step 3: Cross multiply
    13,211.92x = 19,821.52 × 10,740.60
  4. Step 4: Simplify right side
    13,211.92x = 212,895,017.71
  5. Step 5: Solve for x
    x = 212,895,017.71/13,211.92
  6. Step 6: Final answer
    x = 16,113.86

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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.