Home / 13,239.48-19,830.06-8,836.32

Finding the Fourth Proportional to 13,239.48, 19,830.06 and 8,836.32

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Solution

The fourth proportional to 13,239.48, 19,830.06 and 8,836.32 is: 13,235.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,239.48 : 19,830.06 = 8,836.32 : x
  2. Step 2: Convert to fraction form
    13,239.48/19,830.06 = 8,836.32/x
  3. Step 3: Cross multiply
    13,239.48x = 19,830.06 × 8,836.32
  4. Step 4: Simplify right side
    13,239.48x = 175,224,755.78
  5. Step 5: Solve for x
    x = 175,224,755.78/13,239.48
  6. Step 6: Final answer
    x = 13,235.02

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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.