Home / 10,376.60-15,564.90-2,981.30

Finding the Fourth Proportional to 10,376.60, 15,564.90 and 2,981.30

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Solution

The fourth proportional to 10,376.60, 15,564.90 and 2,981.30 is: 4,471.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.60 : 15,564.90 = 2,981.30 : x
  2. Step 2: Convert to fraction form
    10,376.60/15,564.90 = 2,981.30/x
  3. Step 3: Cross multiply
    10,376.60x = 15,564.90 × 2,981.30
  4. Step 4: Simplify right side
    10,376.60x = 46,403,636.37
  5. Step 5: Solve for x
    x = 46,403,636.37/10,376.60
  6. Step 6: Final answer
    x = 4,471.95

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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.