Home / 17,664.76-26,439.45-12,983.53

Finding the Fourth Proportional to 17,664.76, 26,439.45 and 12,983.53

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Solution

The fourth proportional to 17,664.76, 26,439.45 and 12,983.53 is: 19,432.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,664.76 : 26,439.45 = 12,983.53 : x
  2. Step 2: Convert to fraction form
    17,664.76/26,439.45 = 12,983.53/x
  3. Step 3: Cross multiply
    17,664.76x = 26,439.45 × 12,983.53
  4. Step 4: Simplify right side
    17,664.76x = 343,277,392.26
  5. Step 5: Solve for x
    x = 343,277,392.26/17,664.76
  6. Step 6: Final answer
    x = 19,432.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.