Home / 15,686.27-21,646.94-8,516.02

Finding the Fourth Proportional to 15,686.27, 21,646.94 and 8,516.02

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Solution

The fourth proportional to 15,686.27, 21,646.94 and 8,516.02 is: 11,752.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,686.27 : 21,646.94 = 8,516.02 : x
  2. Step 2: Convert to fraction form
    15,686.27/21,646.94 = 8,516.02/x
  3. Step 3: Cross multiply
    15,686.27x = 21,646.94 × 8,516.02
  4. Step 4: Simplify right side
    15,686.27x = 184,345,698.57
  5. Step 5: Solve for x
    x = 184,345,698.57/15,686.27
  6. Step 6: Final answer
    x = 11,752.04

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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.