Home / 13,253.63-19,889.55-5,462.45

Finding the Fourth Proportional to 13,253.63, 19,889.55 and 5,462.45

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Solution

The fourth proportional to 13,253.63, 19,889.55 and 5,462.45 is: 8,197.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.63 : 19,889.55 = 5,462.45 : x
  2. Step 2: Convert to fraction form
    13,253.63/19,889.55 = 5,462.45/x
  3. Step 3: Cross multiply
    13,253.63x = 19,889.55 × 5,462.45
  4. Step 4: Simplify right side
    13,253.63x = 108,645,572.95
  5. Step 5: Solve for x
    x = 108,645,572.95/13,253.63
  6. Step 6: Final answer
    x = 8,197.42

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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.