Home / 22,579.57-31,159.47-12,507.98

Finding the Fourth Proportional to 22,579.57, 31,159.47 and 12,507.98

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Solution

The fourth proportional to 22,579.57, 31,159.47 and 12,507.98 is: 17,260.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,579.57 : 31,159.47 = 12,507.98 : x
  2. Step 2: Convert to fraction form
    22,579.57/31,159.47 = 12,507.98/x
  3. Step 3: Cross multiply
    22,579.57x = 31,159.47 × 12,507.98
  4. Step 4: Simplify right side
    22,579.57x = 389,742,027.57
  5. Step 5: Solve for x
    x = 389,742,027.57/22,579.57
  6. Step 6: Final answer
    x = 17,260.83

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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.