Home / 14,064.70-19,410.62-8,399.40

Finding the Fourth Proportional to 14,064.70, 19,410.62 and 8,399.40

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Solution

The fourth proportional to 14,064.70, 19,410.62 and 8,399.40 is: 11,591.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064.70 : 19,410.62 = 8,399.40 : x
  2. Step 2: Convert to fraction form
    14,064.70/19,410.62 = 8,399.40/x
  3. Step 3: Cross multiply
    14,064.70x = 19,410.62 × 8,399.40
  4. Step 4: Simplify right side
    14,064.70x = 163,037,561.63
  5. Step 5: Solve for x
    x = 163,037,561.63/14,064.70
  6. Step 6: Final answer
    x = 11,591.97

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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.