Home / 16,972.55-23,420.19-9,416.91

Finding the Fourth Proportional to 16,972.55, 23,420.19 and 9,416.91

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Solution

The fourth proportional to 16,972.55, 23,420.19 and 9,416.91 is: 12,994.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972.55 : 23,420.19 = 9,416.91 : x
  2. Step 2: Convert to fraction form
    16,972.55/23,420.19 = 9,416.91/x
  3. Step 3: Cross multiply
    16,972.55x = 23,420.19 × 9,416.91
  4. Step 4: Simplify right side
    16,972.55x = 220,545,821.41
  5. Step 5: Solve for x
    x = 220,545,821.41/16,972.55
  6. Step 6: Final answer
    x = 12,994.27

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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.