Home / 10,151.37-15,221.18-4,223.27

Finding the Fourth Proportional to 10,151.37, 15,221.18 and 4,223.27

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Solution

The fourth proportional to 10,151.37, 15,221.18 and 4,223.27 is: 6,332.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,151.37 : 15,221.18 = 4,223.27 : x
  2. Step 2: Convert to fraction form
    10,151.37/15,221.18 = 4,223.27/x
  3. Step 3: Cross multiply
    10,151.37x = 15,221.18 × 4,223.27
  4. Step 4: Simplify right side
    10,151.37x = 64,283,055.64
  5. Step 5: Solve for x
    x = 64,283,055.64/10,151.37
  6. Step 6: Final answer
    x = 6,332.45

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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.