Home / 11,127.63-16,691.45-8,925.51

Finding the Fourth Proportional to 11,127.63, 16,691.45 and 8,925.51

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Solution

The fourth proportional to 11,127.63, 16,691.45 and 8,925.51 is: 13,388.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.63 : 16,691.45 = 8,925.51 : x
  2. Step 2: Convert to fraction form
    11,127.63/16,691.45 = 8,925.51/x
  3. Step 3: Cross multiply
    11,127.63x = 16,691.45 × 8,925.51
  4. Step 4: Simplify right side
    11,127.63x = 148,979,659.26
  5. Step 5: Solve for x
    x = 148,979,659.26/11,127.63
  6. Step 6: Final answer
    x = 13,388.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.