Home / 15,873.72-23,821.56-5,485.56

Finding the Fourth Proportional to 15,873.72, 23,821.56 and 5,485.56

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Solution

The fourth proportional to 15,873.72, 23,821.56 and 5,485.56 is: 8,232.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,873.72 : 23,821.56 = 5,485.56 : x
  2. Step 2: Convert to fraction form
    15,873.72/23,821.56 = 5,485.56/x
  3. Step 3: Cross multiply
    15,873.72x = 23,821.56 × 5,485.56
  4. Step 4: Simplify right side
    15,873.72x = 130,674,596.67
  5. Step 5: Solve for x
    x = 130,674,596.67/15,873.72
  6. Step 6: Final answer
    x = 8,232.13

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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.