Home / 19,869.46-29,803.58-8,173.88

Finding the Fourth Proportional to 19,869.46, 29,803.58 and 8,173.88

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Solution

The fourth proportional to 19,869.46, 29,803.58 and 8,173.88 is: 12,260.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,869.46 : 29,803.58 = 8,173.88 : x
  2. Step 2: Convert to fraction form
    19,869.46/29,803.58 = 8,173.88/x
  3. Step 3: Cross multiply
    19,869.46x = 29,803.58 × 8,173.88
  4. Step 4: Simplify right side
    19,869.46x = 243,610,886.49
  5. Step 5: Solve for x
    x = 243,610,886.49/19,869.46
  6. Step 6: Final answer
    x = 12,260.57

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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.