Home / 13,244.51-19,865.45-4,479.30

Finding the Fourth Proportional to 13,244.51, 19,865.45 and 4,479.30

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Solution

The fourth proportional to 13,244.51, 19,865.45 and 4,479.30 is: 6,718.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.51 : 19,865.45 = 4,479.30 : x
  2. Step 2: Convert to fraction form
    13,244.51/19,865.45 = 4,479.30/x
  3. Step 3: Cross multiply
    13,244.51x = 19,865.45 × 4,479.30
  4. Step 4: Simplify right side
    13,244.51x = 88,983,321.38
  5. Step 5: Solve for x
    x = 88,983,321.38/13,244.51
  6. Step 6: Final answer
    x = 6,718.50

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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.