Home / 13,200.54-19,799.16-4,315.13

Finding the Fourth Proportional to 13,200.54, 19,799.16 and 4,315.13

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Solution

The fourth proportional to 13,200.54, 19,799.16 and 4,315.13 is: 6,472.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200.54 : 19,799.16 = 4,315.13 : x
  2. Step 2: Convert to fraction form
    13,200.54/19,799.16 = 4,315.13/x
  3. Step 3: Cross multiply
    13,200.54x = 19,799.16 × 4,315.13
  4. Step 4: Simplify right side
    13,200.54x = 85,435,899.79
  5. Step 5: Solve for x
    x = 85,435,899.79/13,200.54
  6. Step 6: Final answer
    x = 6,472.15

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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.