Home / 15,267.26-21,070.12-8,552.80

Finding the Fourth Proportional to 15,267.26, 21,070.12 and 8,552.80

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Solution

The fourth proportional to 15,267.26, 21,070.12 and 8,552.80 is: 11,803.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,267.26 : 21,070.12 = 8,552.80 : x
  2. Step 2: Convert to fraction form
    15,267.26/21,070.12 = 8,552.80/x
  3. Step 3: Cross multiply
    15,267.26x = 21,070.12 × 8,552.80
  4. Step 4: Simplify right side
    15,267.26x = 180,208,448.28
  5. Step 5: Solve for x
    x = 180,208,448.28/15,267.26
  6. Step 6: Final answer
    x = 11,803.59

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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.