Home / 19,005.22-26,228.37-10,621.72

Finding the Fourth Proportional to 19,005.22, 26,228.37 and 10,621.72

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Solution

The fourth proportional to 19,005.22, 26,228.37 and 10,621.72 is: 14,658.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005.22 : 26,228.37 = 10,621.72 : x
  2. Step 2: Convert to fraction form
    19,005.22/26,228.37 = 10,621.72/x
  3. Step 3: Cross multiply
    19,005.22x = 26,228.37 × 10,621.72
  4. Step 4: Simplify right side
    19,005.22x = 278,590,402.20
  5. Step 5: Solve for x
    x = 278,590,402.20/19,005.22
  6. Step 6: Final answer
    x = 14,658.63

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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.