Home / 16,983.60-23,430.92-12,518

Finding the Fourth Proportional to 16,983.60, 23,430.92 and 12,518

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Solution

The fourth proportional to 16,983.60, 23,430.92 and 12,518 is: 17,270.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,983.60 : 23,430.92 = 12,518 : x
  2. Step 2: Convert to fraction form
    16,983.60/23,430.92 = 12,518/x
  3. Step 3: Cross multiply
    16,983.60x = 23,430.92 × 12,518
  4. Step 4: Simplify right side
    16,983.60x = 293,308,256.56
  5. Step 5: Solve for x
    x = 293,308,256.56/16,983.60
  6. Step 6: Final answer
    x = 17,270.09

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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.