Home / 12,403.44-18,561.90-10,156.32

Finding the Fourth Proportional to 12,403.44, 18,561.90 and 10,156.32

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Solution

The fourth proportional to 12,403.44, 18,561.90 and 10,156.32 is: 15,199.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.44 : 18,561.90 = 10,156.32 : x
  2. Step 2: Convert to fraction form
    12,403.44/18,561.90 = 10,156.32/x
  3. Step 3: Cross multiply
    12,403.44x = 18,561.90 × 10,156.32
  4. Step 4: Simplify right side
    12,403.44x = 188,520,596.21
  5. Step 5: Solve for x
    x = 188,520,596.21/12,403.44
  6. Step 6: Final answer
    x = 15,199.06

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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.