Home / 15,794.04-21,787.91-9,416.14

Finding the Fourth Proportional to 15,794.04, 21,787.91 and 9,416.14

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Solution

The fourth proportional to 15,794.04, 21,787.91 and 9,416.14 is: 12,989.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,794.04 : 21,787.91 = 9,416.14 : x
  2. Step 2: Convert to fraction form
    15,794.04/21,787.91 = 9,416.14/x
  3. Step 3: Cross multiply
    15,794.04x = 21,787.91 × 9,416.14
  4. Step 4: Simplify right side
    15,794.04x = 205,157,909.32
  5. Step 5: Solve for x
    x = 205,157,909.32/15,794.04
  6. Step 6: Final answer
    x = 12,989.58

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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.