Home / 18,557.04-27,846.48-6,878.40

Finding the Fourth Proportional to 18,557.04, 27,846.48 and 6,878.40

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Solution

The fourth proportional to 18,557.04, 27,846.48 and 6,878.40 is: 10,321.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,557.04 : 27,846.48 = 6,878.40 : x
  2. Step 2: Convert to fraction form
    18,557.04/27,846.48 = 6,878.40/x
  3. Step 3: Cross multiply
    18,557.04x = 27,846.48 × 6,878.40
  4. Step 4: Simplify right side
    18,557.04x = 191,539,228.03
  5. Step 5: Solve for x
    x = 191,539,228.03/18,557.04
  6. Step 6: Final answer
    x = 10,321.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.