Home / 16,262.08-22,421.28-13,274.88

Finding the Fourth Proportional to 16,262.08, 22,421.28 and 13,274.88

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Solution

The fourth proportional to 16,262.08, 22,421.28 and 13,274.88 is: 18,302.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,262.08 : 22,421.28 = 13,274.88 : x
  2. Step 2: Convert to fraction form
    16,262.08/22,421.28 = 13,274.88/x
  3. Step 3: Cross multiply
    16,262.08x = 22,421.28 × 13,274.88
  4. Step 4: Simplify right side
    16,262.08x = 297,639,801.45
  5. Step 5: Solve for x
    x = 297,639,801.45/16,262.08
  6. Step 6: Final answer
    x = 18,302.69

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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.