Home / 15,077.88-22,620.46-4,689.63

Finding the Fourth Proportional to 15,077.88, 22,620.46 and 4,689.63

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Solution

The fourth proportional to 15,077.88, 22,620.46 and 4,689.63 is: 7,035.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,077.88 : 22,620.46 = 4,689.63 : x
  2. Step 2: Convert to fraction form
    15,077.88/22,620.46 = 4,689.63/x
  3. Step 3: Cross multiply
    15,077.88x = 22,620.46 × 4,689.63
  4. Step 4: Simplify right side
    15,077.88x = 106,081,587.83
  5. Step 5: Solve for x
    x = 106,081,587.83/15,077.88
  6. Step 6: Final answer
    x = 7,035.58

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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.