Home / 10,155.24-15,223.55-6,446.25

Finding the Fourth Proportional to 10,155.24, 15,223.55 and 6,446.25

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Solution

The fourth proportional to 10,155.24, 15,223.55 and 6,446.25 is: 9,663.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,155.24 : 15,223.55 = 6,446.25 : x
  2. Step 2: Convert to fraction form
    10,155.24/15,223.55 = 6,446.25/x
  3. Step 3: Cross multiply
    10,155.24x = 15,223.55 × 6,446.25
  4. Step 4: Simplify right side
    10,155.24x = 98,134,776.96
  5. Step 5: Solve for x
    x = 98,134,776.96/10,155.24
  6. Step 6: Final answer
    x = 9,663.46

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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.