Home / 12,079.26-18,124.38-11,587.32

Finding the Fourth Proportional to 12,079.26, 18,124.38 and 11,587.32

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Solution

The fourth proportional to 12,079.26, 18,124.38 and 11,587.32 is: 17,386.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.26 : 18,124.38 = 11,587.32 : x
  2. Step 2: Convert to fraction form
    12,079.26/18,124.38 = 11,587.32/x
  3. Step 3: Cross multiply
    12,079.26x = 18,124.38 × 11,587.32
  4. Step 4: Simplify right side
    12,079.26x = 210,012,990.86
  5. Step 5: Solve for x
    x = 210,012,990.86/12,079.26
  6. Step 6: Final answer
    x = 17,386.25

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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.