Home / 15,541.84-21,447.62-8,468.27

Finding the Fourth Proportional to 15,541.84, 21,447.62 and 8,468.27

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Solution

The fourth proportional to 15,541.84, 21,447.62 and 8,468.27 is: 11,686.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541.84 : 21,447.62 = 8,468.27 : x
  2. Step 2: Convert to fraction form
    15,541.84/21,447.62 = 8,468.27/x
  3. Step 3: Cross multiply
    15,541.84x = 21,447.62 × 8,468.27
  4. Step 4: Simplify right side
    15,541.84x = 181,624,237.02
  5. Step 5: Solve for x
    x = 181,624,237.02/15,541.84
  6. Step 6: Final answer
    x = 11,686.15

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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.