Home / 10,537.98-15,816.54-5,611.80

Finding the Fourth Proportional to 10,537.98, 15,816.54 and 5,611.80

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Solution

The fourth proportional to 10,537.98, 15,816.54 and 5,611.80 is: 8,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,537.98 : 15,816.54 = 5,611.80 : x
  2. Step 2: Convert to fraction form
    10,537.98/15,816.54 = 5,611.80/x
  3. Step 3: Cross multiply
    10,537.98x = 15,816.54 × 5,611.80
  4. Step 4: Simplify right side
    10,537.98x = 88,759,259.17
  5. Step 5: Solve for x
    x = 88,759,259.17/10,537.98
  6. Step 6: Final answer
    x = 8,422.80

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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.