Home / 15,458.16-21,326.23-10,086.92

Finding the Fourth Proportional to 15,458.16, 21,326.23 and 10,086.92

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Solution

The fourth proportional to 15,458.16, 21,326.23 and 10,086.92 is: 13,916.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,458.16 : 21,326.23 = 10,086.92 : x
  2. Step 2: Convert to fraction form
    15,458.16/21,326.23 = 10,086.92/x
  3. Step 3: Cross multiply
    15,458.16x = 21,326.23 × 10,086.92
  4. Step 4: Simplify right side
    15,458.16x = 215,115,975.91
  5. Step 5: Solve for x
    x = 215,115,975.91/15,458.16
  6. Step 6: Final answer
    x = 13,916.01

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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.