Home / 11,677.08-17,510.44-4,279.60

Finding the Fourth Proportional to 11,677.08, 17,510.44 and 4,279.60

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Solution

The fourth proportional to 11,677.08, 17,510.44 and 4,279.60 is: 6,417.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,677.08 : 17,510.44 = 4,279.60 : x
  2. Step 2: Convert to fraction form
    11,677.08/17,510.44 = 4,279.60/x
  3. Step 3: Cross multiply
    11,677.08x = 17,510.44 × 4,279.60
  4. Step 4: Simplify right side
    11,677.08x = 74,937,679.02
  5. Step 5: Solve for x
    x = 74,937,679.02/11,677.08
  6. Step 6: Final answer
    x = 6,417.50

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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.