Home / 15,990.06-23,977.63-5,457.23

Finding the Fourth Proportional to 15,990.06, 23,977.63 and 5,457.23

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Solution

The fourth proportional to 15,990.06, 23,977.63 and 5,457.23 is: 8,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.06 : 23,977.63 = 5,457.23 : x
  2. Step 2: Convert to fraction form
    15,990.06/23,977.63 = 5,457.23/x
  3. Step 3: Cross multiply
    15,990.06x = 23,977.63 × 5,457.23
  4. Step 4: Simplify right side
    15,990.06x = 130,851,441.76
  5. Step 5: Solve for x
    x = 130,851,441.76/15,990.06
  6. Step 6: Final answer
    x = 8,183.30

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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.