Home / 16,219.28-24,319.51-7,888.79

Finding the Fourth Proportional to 16,219.28, 24,319.51 and 7,888.79

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Solution

The fourth proportional to 16,219.28, 24,319.51 and 7,888.79 is: 11,828.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,219.28 : 24,319.51 = 7,888.79 : x
  2. Step 2: Convert to fraction form
    16,219.28/24,319.51 = 7,888.79/x
  3. Step 3: Cross multiply
    16,219.28x = 24,319.51 × 7,888.79
  4. Step 4: Simplify right side
    16,219.28x = 191,851,548.37
  5. Step 5: Solve for x
    x = 191,851,548.37/16,219.28
  6. Step 6: Final answer
    x = 11,828.61

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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.