Home / 14,754.84-20,389.50-11,635.80

Finding the Fourth Proportional to 14,754.84, 20,389.50 and 11,635.80

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Solution

The fourth proportional to 14,754.84, 20,389.50 and 11,635.80 is: 16,079.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,754.84 : 20,389.50 = 11,635.80 : x
  2. Step 2: Convert to fraction form
    14,754.84/20,389.50 = 11,635.80/x
  3. Step 3: Cross multiply
    14,754.84x = 20,389.50 × 11,635.80
  4. Step 4: Simplify right side
    14,754.84x = 237,248,144.10
  5. Step 5: Solve for x
    x = 237,248,144.10/14,754.84
  6. Step 6: Final answer
    x = 16,079.34

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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.