Home / 10,222.29-15,324.93-4,378.14

Finding the Fourth Proportional to 10,222.29, 15,324.93 and 4,378.14

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Solution

The fourth proportional to 10,222.29, 15,324.93 and 4,378.14 is: 6,563.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222.29 : 15,324.93 = 4,378.14 : x
  2. Step 2: Convert to fraction form
    10,222.29/15,324.93 = 4,378.14/x
  3. Step 3: Cross multiply
    10,222.29x = 15,324.93 × 4,378.14
  4. Step 4: Simplify right side
    10,222.29x = 67,094,689.03
  5. Step 5: Solve for x
    x = 67,094,689.03/10,222.29
  6. Step 6: Final answer
    x = 6,563.57

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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.