Home / 13,106.23-19,653.28-4,219.92

Finding the Fourth Proportional to 13,106.23, 19,653.28 and 4,219.92

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Solution

The fourth proportional to 13,106.23, 19,653.28 and 4,219.92 is: 6,327.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106.23 : 19,653.28 = 4,219.92 : x
  2. Step 2: Convert to fraction form
    13,106.23/19,653.28 = 4,219.92/x
  3. Step 3: Cross multiply
    13,106.23x = 19,653.28 × 4,219.92
  4. Step 4: Simplify right side
    13,106.23x = 82,935,258.79
  5. Step 5: Solve for x
    x = 82,935,258.79/13,106.23
  6. Step 6: Final answer
    x = 6,327.93

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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.