Home / 13,674.16-20,511.24-10,558.72

Finding the Fourth Proportional to 13,674.16, 20,511.24 and 10,558.72

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Solution

The fourth proportional to 13,674.16, 20,511.24 and 10,558.72 is: 15,838.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674.16 : 20,511.24 = 10,558.72 : x
  2. Step 2: Convert to fraction form
    13,674.16/20,511.24 = 10,558.72/x
  3. Step 3: Cross multiply
    13,674.16x = 20,511.24 × 10,558.72
  4. Step 4: Simplify right side
    13,674.16x = 216,572,440.01
  5. Step 5: Solve for x
    x = 216,572,440.01/13,674.16
  6. Step 6: Final answer
    x = 15,838.08

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Similar ratio
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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.