Home / 14,866.64-20,516.16-8,152.25

Finding the Fourth Proportional to 14,866.64, 20,516.16 and 8,152.25

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Solution

The fourth proportional to 14,866.64, 20,516.16 and 8,152.25 is: 11,250.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,866.64 : 20,516.16 = 8,152.25 : x
  2. Step 2: Convert to fraction form
    14,866.64/20,516.16 = 8,152.25/x
  3. Step 3: Cross multiply
    14,866.64x = 20,516.16 × 8,152.25
  4. Step 4: Simplify right side
    14,866.64x = 167,252,865.36
  5. Step 5: Solve for x
    x = 167,252,865.36/14,866.64
  6. Step 6: Final answer
    x = 11,250.21

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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.