Home / 22,659.42-31,269.09-12,588.48

Finding the Fourth Proportional to 22,659.42, 31,269.09 and 12,588.48

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Solution

The fourth proportional to 22,659.42, 31,269.09 and 12,588.48 is: 17,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,659.42 : 31,269.09 = 12,588.48 : x
  2. Step 2: Convert to fraction form
    22,659.42/31,269.09 = 12,588.48/x
  3. Step 3: Cross multiply
    22,659.42x = 31,269.09 × 12,588.48
  4. Step 4: Simplify right side
    22,659.42x = 393,630,314.08
  5. Step 5: Solve for x
    x = 393,630,314.08/22,659.42
  6. Step 6: Final answer
    x = 17,371.60

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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.