Home / 15,181.16-20,950.52-8,807.27

Finding the Fourth Proportional to 15,181.16, 20,950.52 and 8,807.27

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Solution

The fourth proportional to 15,181.16, 20,950.52 and 8,807.27 is: 12,154.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,181.16 : 20,950.52 = 8,807.27 : x
  2. Step 2: Convert to fraction form
    15,181.16/20,950.52 = 8,807.27/x
  3. Step 3: Cross multiply
    15,181.16x = 20,950.52 × 8,807.27
  4. Step 4: Simplify right side
    15,181.16x = 184,516,737.49
  5. Step 5: Solve for x
    x = 184,516,737.49/15,181.16
  6. Step 6: Final answer
    x = 12,154.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.