Home / 15,905.03-23,857.48-4,218.35

Finding the Fourth Proportional to 15,905.03, 23,857.48 and 4,218.35

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Solution

The fourth proportional to 15,905.03, 23,857.48 and 4,218.35 is: 6,327.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,905.03 : 23,857.48 = 4,218.35 : x
  2. Step 2: Convert to fraction form
    15,905.03/23,857.48 = 4,218.35/x
  3. Step 3: Cross multiply
    15,905.03x = 23,857.48 × 4,218.35
  4. Step 4: Simplify right side
    15,905.03x = 100,639,200.76
  5. Step 5: Solve for x
    x = 100,639,200.76/15,905.03
  6. Step 6: Final answer
    x = 6,327.51

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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.