Home / 15,313.62-21,127.52-8,598.32

Finding the Fourth Proportional to 15,313.62, 21,127.52 and 8,598.32

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Solution

The fourth proportional to 15,313.62, 21,127.52 and 8,598.32 is: 11,862.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,313.62 : 21,127.52 = 8,598.32 : x
  2. Step 2: Convert to fraction form
    15,313.62/21,127.52 = 8,598.32/x
  3. Step 3: Cross multiply
    15,313.62x = 21,127.52 × 8,598.32
  4. Step 4: Simplify right side
    15,313.62x = 181,661,029.14
  5. Step 5: Solve for x
    x = 181,661,029.14/15,313.62
  6. Step 6: Final answer
    x = 11,862.71

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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.