Home / 15,541.49-21,447.27-8,467.93

Finding the Fourth Proportional to 15,541.49, 21,447.27 and 8,467.93

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Solution

The fourth proportional to 15,541.49, 21,447.27 and 8,467.93 is: 11,685.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541.49 : 21,447.27 = 8,467.93 : x
  2. Step 2: Convert to fraction form
    15,541.49/21,447.27 = 8,467.93/x
  3. Step 3: Cross multiply
    15,541.49x = 21,447.27 × 8,467.93
  4. Step 4: Simplify right side
    15,541.49x = 181,613,981.05
  5. Step 5: Solve for x
    x = 181,613,981.05/15,541.49
  6. Step 6: Final answer
    x = 11,685.75

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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.