Home / 18,648.05-25,729.90-10,579.91

Finding the Fourth Proportional to 18,648.05, 25,729.90 and 10,579.91

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Solution

The fourth proportional to 18,648.05, 25,729.90 and 10,579.91 is: 14,597.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,648.05 : 25,729.90 = 10,579.91 : x
  2. Step 2: Convert to fraction form
    18,648.05/25,729.90 = 10,579.91/x
  3. Step 3: Cross multiply
    18,648.05x = 25,729.90 × 10,579.91
  4. Step 4: Simplify right side
    18,648.05x = 272,219,871.21
  5. Step 5: Solve for x
    x = 272,219,871.21/18,648.05
  6. Step 6: Final answer
    x = 14,597.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.