Home / 23,143.41-31,937.76-12,533.02

Finding the Fourth Proportional to 23,143.41, 31,937.76 and 12,533.02

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Solution

The fourth proportional to 23,143.41, 31,937.76 and 12,533.02 is: 17,295.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,143.41 : 31,937.76 = 12,533.02 : x
  2. Step 2: Convert to fraction form
    23,143.41/31,937.76 = 12,533.02/x
  3. Step 3: Cross multiply
    23,143.41x = 31,937.76 × 12,533.02
  4. Step 4: Simplify right side
    23,143.41x = 400,276,504.99
  5. Step 5: Solve for x
    x = 400,276,504.99/23,143.41
  6. Step 6: Final answer
    x = 17,295.49

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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.