Home / 16,415.88-22,656.52-9,344.58

Finding the Fourth Proportional to 16,415.88, 22,656.52 and 9,344.58

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Solution

The fourth proportional to 16,415.88, 22,656.52 and 9,344.58 is: 12,897.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,415.88 : 22,656.52 = 9,344.58 : x
  2. Step 2: Convert to fraction form
    16,415.88/22,656.52 = 9,344.58/x
  3. Step 3: Cross multiply
    16,415.88x = 22,656.52 × 9,344.58
  4. Step 4: Simplify right side
    16,415.88x = 211,715,663.66
  5. Step 5: Solve for x
    x = 211,715,663.66/16,415.88
  6. Step 6: Final answer
    x = 12,897.00

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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.