Home / 15,539.94-23,312.22-7,220.82

Finding the Fourth Proportional to 15,539.94, 23,312.22 and 7,220.82

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Solution

The fourth proportional to 15,539.94, 23,312.22 and 7,220.82 is: 10,832.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539.94 : 23,312.22 = 7,220.82 : x
  2. Step 2: Convert to fraction form
    15,539.94/23,312.22 = 7,220.82/x
  3. Step 3: Cross multiply
    15,539.94x = 23,312.22 × 7,220.82
  4. Step 4: Simplify right side
    15,539.94x = 168,333,344.42
  5. Step 5: Solve for x
    x = 168,333,344.42/15,539.94
  6. Step 6: Final answer
    x = 10,832.30

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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.