Home / 23,118.80-31,904.18-12,508.67

Finding the Fourth Proportional to 23,118.80, 31,904.18 and 12,508.67

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Solution

The fourth proportional to 23,118.80, 31,904.18 and 12,508.67 is: 17,262.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,118.80 : 31,904.18 = 12,508.67 : x
  2. Step 2: Convert to fraction form
    23,118.80/31,904.18 = 12,508.67/x
  3. Step 3: Cross multiply
    23,118.80x = 31,904.18 × 12,508.67
  4. Step 4: Simplify right side
    23,118.80x = 399,078,637.18
  5. Step 5: Solve for x
    x = 399,078,637.18/23,118.80
  6. Step 6: Final answer
    x = 17,262.09

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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.