Home / 22,579.52-31,159.33-12,507.93

Finding the Fourth Proportional to 22,579.52, 31,159.33 and 12,507.93

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Solution

The fourth proportional to 22,579.52, 31,159.33 and 12,507.93 is: 17,260.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,579.52 : 31,159.33 = 12,507.93 : x
  2. Step 2: Convert to fraction form
    22,579.52/31,159.33 = 12,507.93/x
  3. Step 3: Cross multiply
    22,579.52x = 31,159.33 × 12,507.93
  4. Step 4: Simplify right side
    22,579.52x = 389,738,590.79
  5. Step 5: Solve for x
    x = 389,738,590.79/22,579.52
  6. Step 6: Final answer
    x = 17,260.71

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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.