Home / 10,557.16-15,835.70-3,161.62

Finding the Fourth Proportional to 10,557.16, 15,835.70 and 3,161.62

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Solution

The fourth proportional to 10,557.16, 15,835.70 and 3,161.62 is: 4,742.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.16 : 15,835.70 = 3,161.62 : x
  2. Step 2: Convert to fraction form
    10,557.16/15,835.70 = 3,161.62/x
  3. Step 3: Cross multiply
    10,557.16x = 15,835.70 × 3,161.62
  4. Step 4: Simplify right side
    10,557.16x = 50,066,465.83
  5. Step 5: Solve for x
    x = 50,066,465.83/10,557.16
  6. Step 6: Final answer
    x = 4,742.42

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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.