Home / 13,110.52-19,633.40-9,770.76

Finding the Fourth Proportional to 13,110.52, 19,633.40 and 9,770.76

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Solution

The fourth proportional to 13,110.52, 19,633.40 and 9,770.76 is: 14,632.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.52 : 19,633.40 = 9,770.76 : x
  2. Step 2: Convert to fraction form
    13,110.52/19,633.40 = 9,770.76/x
  3. Step 3: Cross multiply
    13,110.52x = 19,633.40 × 9,770.76
  4. Step 4: Simplify right side
    13,110.52x = 191,833,239.38
  5. Step 5: Solve for x
    x = 191,833,239.38/13,110.52
  6. Step 6: Final answer
    x = 14,632.01

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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.