Home / 19,501.80-29,252.70-11,207.40

Finding the Fourth Proportional to 19,501.80, 29,252.70 and 11,207.40

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Solution

The fourth proportional to 19,501.80, 29,252.70 and 11,207.40 is: 16,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,501.80 : 29,252.70 = 11,207.40 : x
  2. Step 2: Convert to fraction form
    19,501.80/29,252.70 = 11,207.40/x
  3. Step 3: Cross multiply
    19,501.80x = 29,252.70 × 11,207.40
  4. Step 4: Simplify right side
    19,501.80x = 327,846,709.98
  5. Step 5: Solve for x
    x = 327,846,709.98/19,501.80
  6. Step 6: Final answer
    x = 16,811.10

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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.