Home / 14,647.35-21,985.61-8,076.63

Finding the Fourth Proportional to 14,647.35, 21,985.61 and 8,076.63

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Solution

The fourth proportional to 14,647.35, 21,985.61 and 8,076.63 is: 12,122.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,647.35 : 21,985.61 = 8,076.63 : x
  2. Step 2: Convert to fraction form
    14,647.35/21,985.61 = 8,076.63/x
  3. Step 3: Cross multiply
    14,647.35x = 21,985.61 × 8,076.63
  4. Step 4: Simplify right side
    14,647.35x = 177,569,637.29
  5. Step 5: Solve for x
    x = 177,569,637.29/14,647.35
  6. Step 6: Final answer
    x = 12,122.99

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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.