Home / 14,847.89-20,490.32-8,134.16

Finding the Fourth Proportional to 14,847.89, 20,490.32 and 8,134.16

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Solution

The fourth proportional to 14,847.89, 20,490.32 and 8,134.16 is: 11,225.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,847.89 : 20,490.32 = 8,134.16 : x
  2. Step 2: Convert to fraction form
    14,847.89/20,490.32 = 8,134.16/x
  3. Step 3: Cross multiply
    14,847.89x = 20,490.32 × 8,134.16
  4. Step 4: Simplify right side
    14,847.89x = 166,671,459.21
  5. Step 5: Solve for x
    x = 166,671,459.21/14,847.89
  6. Step 6: Final answer
    x = 11,225.27

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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.