Home / 14,129.64-19,499.58-8,162.10

Finding the Fourth Proportional to 14,129.64, 19,499.58 and 8,162.10

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Solution

The fourth proportional to 14,129.64, 19,499.58 and 8,162.10 is: 11,264.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.64 : 19,499.58 = 8,162.10 : x
  2. Step 2: Convert to fraction form
    14,129.64/19,499.58 = 8,162.10/x
  3. Step 3: Cross multiply
    14,129.64x = 19,499.58 × 8,162.10
  4. Step 4: Simplify right side
    14,129.64x = 159,157,521.92
  5. Step 5: Solve for x
    x = 159,157,521.92/14,129.64
  6. Step 6: Final answer
    x = 11,264.09

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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.