Home / 15,555.12-23,342.40-6,321.12

Finding the Fourth Proportional to 15,555.12, 23,342.40 and 6,321.12

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Solution

The fourth proportional to 15,555.12, 23,342.40 and 6,321.12 is: 9,485.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555.12 : 23,342.40 = 6,321.12 : x
  2. Step 2: Convert to fraction form
    15,555.12/23,342.40 = 6,321.12/x
  3. Step 3: Cross multiply
    15,555.12x = 23,342.40 × 6,321.12
  4. Step 4: Simplify right side
    15,555.12x = 147,550,111.49
  5. Step 5: Solve for x
    x = 147,550,111.49/15,555.12
  6. Step 6: Final answer
    x = 9,485.63

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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.