Home / 16,656.08-22,985.68-9,940.41

Finding the Fourth Proportional to 16,656.08, 22,985.68 and 9,940.41

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Solution

The fourth proportional to 16,656.08, 22,985.68 and 9,940.41 is: 13,717.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,656.08 : 22,985.68 = 9,940.41 : x
  2. Step 2: Convert to fraction form
    16,656.08/22,985.68 = 9,940.41/x
  3. Step 3: Cross multiply
    16,656.08x = 22,985.68 × 9,940.41
  4. Step 4: Simplify right side
    16,656.08x = 228,486,943.55
  5. Step 5: Solve for x
    x = 228,486,943.55/16,656.08
  6. Step 6: Final answer
    x = 13,717.93

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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.