Home / 13,225.74-19,828.24-6,885.30

Finding the Fourth Proportional to 13,225.74, 19,828.24 and 6,885.30

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Solution

The fourth proportional to 13,225.74, 19,828.24 and 6,885.30 is: 10,322.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225.74 : 19,828.24 = 6,885.30 : x
  2. Step 2: Convert to fraction form
    13,225.74/19,828.24 = 6,885.30/x
  3. Step 3: Cross multiply
    13,225.74x = 19,828.24 × 6,885.30
  4. Step 4: Simplify right side
    13,225.74x = 136,523,380.87
  5. Step 5: Solve for x
    x = 136,523,380.87/13,225.74
  6. Step 6: Final answer
    x = 10,322.55

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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.