Home / 12,544.65-17,312.01-6,879.90

Finding the Fourth Proportional to 12,544.65, 17,312.01 and 6,879.90

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Solution

The fourth proportional to 12,544.65, 17,312.01 and 6,879.90 is: 9,494.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544.65 : 17,312.01 = 6,879.90 : x
  2. Step 2: Convert to fraction form
    12,544.65/17,312.01 = 6,879.90/x
  3. Step 3: Cross multiply
    12,544.65x = 17,312.01 × 6,879.90
  4. Step 4: Simplify right side
    12,544.65x = 119,104,897.60
  5. Step 5: Solve for x
    x = 119,104,897.60/12,544.65
  6. Step 6: Final answer
    x = 9,494.48

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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.