Home / 15,907.76-23,859.81-4,221.89

Finding the Fourth Proportional to 15,907.76, 23,859.81 and 4,221.89

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Solution

The fourth proportional to 15,907.76, 23,859.81 and 4,221.89 is: 6,332.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907.76 : 23,859.81 = 4,221.89 : x
  2. Step 2: Convert to fraction form
    15,907.76/23,859.81 = 4,221.89/x
  3. Step 3: Cross multiply
    15,907.76x = 23,859.81 × 4,221.89
  4. Step 4: Simplify right side
    15,907.76x = 100,733,373.94
  5. Step 5: Solve for x
    x = 100,733,373.94/15,907.76
  6. Step 6: Final answer
    x = 6,332.34

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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.