Home / 14,972.34-20,661.98-8,257.91

Finding the Fourth Proportional to 14,972.34, 20,661.98 and 8,257.91

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Solution

The fourth proportional to 14,972.34, 20,661.98 and 8,257.91 is: 11,395.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,972.34 : 20,661.98 = 8,257.91 : x
  2. Step 2: Convert to fraction form
    14,972.34/20,661.98 = 8,257.91/x
  3. Step 3: Cross multiply
    14,972.34x = 20,661.98 × 8,257.91
  4. Step 4: Simplify right side
    14,972.34x = 170,624,626.66
  5. Step 5: Solve for x
    x = 170,624,626.66/14,972.34
  6. Step 6: Final answer
    x = 11,395.99

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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.