Home / 14,530.72-20,047.06-8,863.58

Finding the Fourth Proportional to 14,530.72, 20,047.06 and 8,863.58

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Solution

The fourth proportional to 14,530.72, 20,047.06 and 8,863.58 is: 12,228.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,530.72 : 20,047.06 = 8,863.58 : x
  2. Step 2: Convert to fraction form
    14,530.72/20,047.06 = 8,863.58/x
  3. Step 3: Cross multiply
    14,530.72x = 20,047.06 × 8,863.58
  4. Step 4: Simplify right side
    14,530.72x = 177,688,720.07
  5. Step 5: Solve for x
    x = 177,688,720.07/14,530.72
  6. Step 6: Final answer
    x = 12,228.49

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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.