Home / 22,601.63-31,190.40-12,530.77

Finding the Fourth Proportional to 22,601.63, 31,190.40 and 12,530.77

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Solution

The fourth proportional to 22,601.63, 31,190.40 and 12,530.77 is: 17,292.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,601.63 : 31,190.40 = 12,530.77 : x
  2. Step 2: Convert to fraction form
    22,601.63/31,190.40 = 12,530.77/x
  3. Step 3: Cross multiply
    22,601.63x = 31,190.40 × 12,530.77
  4. Step 4: Simplify right side
    22,601.63x = 390,839,650.63
  5. Step 5: Solve for x
    x = 390,839,650.63/22,601.63
  6. Step 6: Final answer
    x = 17,292.54

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Double scale
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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.