Home / 14,866.72-20,516.70-8,152.61

Finding the Fourth Proportional to 14,866.72, 20,516.70 and 8,152.61

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Solution

The fourth proportional to 14,866.72, 20,516.70 and 8,152.61 is: 11,250.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,866.72 : 20,516.70 = 8,152.61 : x
  2. Step 2: Convert to fraction form
    14,866.72/20,516.70 = 8,152.61/x
  3. Step 3: Cross multiply
    14,866.72x = 20,516.70 × 8,152.61
  4. Step 4: Simplify right side
    14,866.72x = 167,264,510.24
  5. Step 5: Solve for x
    x = 167,264,510.24/14,866.72
  6. Step 6: Final answer
    x = 11,250.94

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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.