Home / 15,554.55-23,333.05-7,661.31

Finding the Fourth Proportional to 15,554.55, 23,333.05 and 7,661.31

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Solution

The fourth proportional to 15,554.55, 23,333.05 and 7,661.31 is: 11,492.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554.55 : 23,333.05 = 7,661.31 : x
  2. Step 2: Convert to fraction form
    15,554.55/23,333.05 = 7,661.31/x
  3. Step 3: Cross multiply
    15,554.55x = 23,333.05 × 7,661.31
  4. Step 4: Simplify right side
    15,554.55x = 178,761,710.14
  5. Step 5: Solve for x
    x = 178,761,710.14/15,554.55
  6. Step 6: Final answer
    x = 11,492.57

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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.