Home / 15,611.12-23,411.80-5,220.44

Finding the Fourth Proportional to 15,611.12, 23,411.80 and 5,220.44

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Solution

The fourth proportional to 15,611.12, 23,411.80 and 5,220.44 is: 7,829.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,611.12 : 23,411.80 = 5,220.44 : x
  2. Step 2: Convert to fraction form
    15,611.12/23,411.80 = 5,220.44/x
  3. Step 3: Cross multiply
    15,611.12x = 23,411.80 × 5,220.44
  4. Step 4: Simplify right side
    15,611.12x = 122,219,897.19
  5. Step 5: Solve for x
    x = 122,219,897.19/15,611.12
  6. Step 6: Final answer
    x = 7,829.03

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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.