Home / 10,557.06-15,835.47-3,161.58

Finding the Fourth Proportional to 10,557.06, 15,835.47 and 3,161.58

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Solution

The fourth proportional to 10,557.06, 15,835.47 and 3,161.58 is: 4,742.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.06 : 15,835.47 = 3,161.58 : x
  2. Step 2: Convert to fraction form
    10,557.06/15,835.47 = 3,161.58/x
  3. Step 3: Cross multiply
    10,557.06x = 15,835.47 × 3,161.58
  4. Step 4: Simplify right side
    10,557.06x = 50,065,149.75
  5. Step 5: Solve for x
    x = 50,065,149.75/10,557.06
  6. Step 6: Final answer
    x = 4,742.34

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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.