Home / 10,384.22-15,583.83-4,140.62

Finding the Fourth Proportional to 10,384.22, 15,583.83 and 4,140.62

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Solution

The fourth proportional to 10,384.22, 15,583.83 and 4,140.62 is: 6,213.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,384.22 : 15,583.83 = 4,140.62 : x
  2. Step 2: Convert to fraction form
    10,384.22/15,583.83 = 4,140.62/x
  3. Step 3: Cross multiply
    10,384.22x = 15,583.83 × 4,140.62
  4. Step 4: Simplify right side
    10,384.22x = 64,526,718.17
  5. Step 5: Solve for x
    x = 64,526,718.17/10,384.22
  6. Step 6: Final answer
    x = 6,213.92

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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.