Home / 10,370.40-15,555.48-6,211.62

Finding the Fourth Proportional to 10,370.40, 15,555.48 and 6,211.62

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Solution

The fourth proportional to 10,370.40, 15,555.48 and 6,211.62 is: 9,317.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.40 : 15,555.48 = 6,211.62 : x
  2. Step 2: Convert to fraction form
    10,370.40/15,555.48 = 6,211.62/x
  3. Step 3: Cross multiply
    10,370.40x = 15,555.48 × 6,211.62
  4. Step 4: Simplify right side
    10,370.40x = 96,624,730.68
  5. Step 5: Solve for x
    x = 96,624,730.68/10,370.40
  6. Step 6: Final answer
    x = 9,317.36

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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.