Home / 13,770.07-19,008.51-9,299.88

Finding the Fourth Proportional to 13,770.07, 19,008.51 and 9,299.88

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Solution

The fourth proportional to 13,770.07, 19,008.51 and 9,299.88 is: 12,837.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770.07 : 19,008.51 = 9,299.88 : x
  2. Step 2: Convert to fraction form
    13,770.07/19,008.51 = 9,299.88/x
  3. Step 3: Cross multiply
    13,770.07x = 19,008.51 × 9,299.88
  4. Step 4: Simplify right side
    13,770.07x = 176,776,861.98
  5. Step 5: Solve for x
    x = 176,776,861.98/13,770.07
  6. Step 6: Final answer
    x = 12,837.76

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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.