Home / 14,424.48-21,617.89-8,187.28

Finding the Fourth Proportional to 14,424.48, 21,617.89 and 8,187.28

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Solution

The fourth proportional to 14,424.48, 21,617.89 and 8,187.28 is: 12,270.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,424.48 : 21,617.89 = 8,187.28 : x
  2. Step 2: Convert to fraction form
    14,424.48/21,617.89 = 8,187.28/x
  3. Step 3: Cross multiply
    14,424.48x = 21,617.89 × 8,187.28
  4. Step 4: Simplify right side
    14,424.48x = 176,991,643.93
  5. Step 5: Solve for x
    x = 176,991,643.93/14,424.48
  6. Step 6: Final answer
    x = 12,270.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.