Home / 11,878.76-16,391.35-6,573.13

Finding the Fourth Proportional to 11,878.76, 16,391.35 and 6,573.13

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Solution

The fourth proportional to 11,878.76, 16,391.35 and 6,573.13 is: 9,070.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878.76 : 16,391.35 = 6,573.13 : x
  2. Step 2: Convert to fraction form
    11,878.76/16,391.35 = 6,573.13/x
  3. Step 3: Cross multiply
    11,878.76x = 16,391.35 × 6,573.13
  4. Step 4: Simplify right side
    11,878.76x = 107,742,474.43
  5. Step 5: Solve for x
    x = 107,742,474.43/11,878.76
  6. Step 6: Final answer
    x = 9,070.18

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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.