Home / 15,468.04-21,345.88-8,394.44

Finding the Fourth Proportional to 15,468.04, 21,345.88 and 8,394.44

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Solution

The fourth proportional to 15,468.04, 21,345.88 and 8,394.44 is: 11,584.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,468.04 : 21,345.88 = 8,394.44 : x
  2. Step 2: Convert to fraction form
    15,468.04/21,345.88 = 8,394.44/x
  3. Step 3: Cross multiply
    15,468.04x = 21,345.88 × 8,394.44
  4. Step 4: Simplify right side
    15,468.04x = 179,186,666.94
  5. Step 5: Solve for x
    x = 179,186,666.94/15,468.04
  6. Step 6: Final answer
    x = 11,584.32

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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.