Home / 13,484.32-20,230.68-12,088.87

Finding the Fourth Proportional to 13,484.32, 20,230.68 and 12,088.87

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Solution

The fourth proportional to 13,484.32, 20,230.68 and 12,088.87 is: 18,137.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484.32 : 20,230.68 = 12,088.87 : x
  2. Step 2: Convert to fraction form
    13,484.32/20,230.68 = 12,088.87/x
  3. Step 3: Cross multiply
    13,484.32x = 20,230.68 × 12,088.87
  4. Step 4: Simplify right side
    13,484.32x = 244,566,060.53
  5. Step 5: Solve for x
    x = 244,566,060.53/13,484.32
  6. Step 6: Final answer
    x = 18,137.07

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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.