Home / 17,002.08-23,500.80-12,319.20

Finding the Fourth Proportional to 17,002.08, 23,500.80 and 12,319.20

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Solution

The fourth proportional to 17,002.08, 23,500.80 and 12,319.20 is: 17,027.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,002.08 : 23,500.80 = 12,319.20 : x
  2. Step 2: Convert to fraction form
    17,002.08/23,500.80 = 12,319.20/x
  3. Step 3: Cross multiply
    17,002.08x = 23,500.80 × 12,319.20
  4. Step 4: Simplify right side
    17,002.08x = 289,511,055.36
  5. Step 5: Solve for x
    x = 289,511,055.36/17,002.08
  6. Step 6: Final answer
    x = 17,027.98

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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.