Home / 10,572.31-15,852.31-3,999.01

Finding the Fourth Proportional to 10,572.31, 15,852.31 and 3,999.01

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Solution

The fourth proportional to 10,572.31, 15,852.31 and 3,999.01 is: 5,996.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572.31 : 15,852.31 = 3,999.01 : x
  2. Step 2: Convert to fraction form
    10,572.31/15,852.31 = 3,999.01/x
  3. Step 3: Cross multiply
    10,572.31x = 15,852.31 × 3,999.01
  4. Step 4: Simplify right side
    10,572.31x = 63,393,504.22
  5. Step 5: Solve for x
    x = 63,393,504.22/10,572.31
  6. Step 6: Final answer
    x = 5,996.18

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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.