Home / 14,002.40-19,323.66-8,622.80

Finding the Fourth Proportional to 14,002.40, 19,323.66 and 8,622.80

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Solution

The fourth proportional to 14,002.40, 19,323.66 and 8,622.80 is: 11,899.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.40 : 19,323.66 = 8,622.80 : x
  2. Step 2: Convert to fraction form
    14,002.40/19,323.66 = 8,622.80/x
  3. Step 3: Cross multiply
    14,002.40x = 19,323.66 × 8,622.80
  4. Step 4: Simplify right side
    14,002.40x = 166,624,055.45
  5. Step 5: Solve for x
    x = 166,624,055.45/14,002.40
  6. Step 6: Final answer
    x = 11,899.68

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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.