Home / 14,424.04-19,905.24-8,455.80

Finding the Fourth Proportional to 14,424.04, 19,905.24 and 8,455.80

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Solution

The fourth proportional to 14,424.04, 19,905.24 and 8,455.80 is: 11,669.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,424.04 : 19,905.24 = 8,455.80 : x
  2. Step 2: Convert to fraction form
    14,424.04/19,905.24 = 8,455.80/x
  3. Step 3: Cross multiply
    14,424.04x = 19,905.24 × 8,455.80
  4. Step 4: Simplify right side
    14,424.04x = 168,314,728.39
  5. Step 5: Solve for x
    x = 168,314,728.39/14,424.04
  6. Step 6: Final answer
    x = 11,669.04

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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.