Home / 16,389.42-22,610.95-10,090.86

Finding the Fourth Proportional to 16,389.42, 22,610.95 and 10,090.86

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Solution

The fourth proportional to 16,389.42, 22,610.95 and 10,090.86 is: 13,921.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,389.42 : 22,610.95 = 10,090.86 : x
  2. Step 2: Convert to fraction form
    16,389.42/22,610.95 = 10,090.86/x
  3. Step 3: Cross multiply
    16,389.42x = 22,610.95 × 10,090.86
  4. Step 4: Simplify right side
    16,389.42x = 228,163,930.92
  5. Step 5: Solve for x
    x = 228,163,930.92/16,389.42
  6. Step 6: Final answer
    x = 13,921.42

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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.