Home / 23,119.49-31,904.64-12,508.89

Finding the Fourth Proportional to 23,119.49, 31,904.64 and 12,508.89

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Solution

The fourth proportional to 23,119.49, 31,904.64 and 12,508.89 is: 17,262.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,119.49 : 31,904.64 = 12,508.89 : x
  2. Step 2: Convert to fraction form
    23,119.49/31,904.64 = 12,508.89/x
  3. Step 3: Cross multiply
    23,119.49x = 31,904.64 × 12,508.89
  4. Step 4: Simplify right side
    23,119.49x = 399,091,632.25
  5. Step 5: Solve for x
    x = 399,091,632.25/23,119.49
  6. Step 6: Final answer
    x = 17,262.13

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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.