Home / 13,089.40-19,604.67-10,158.82

Finding the Fourth Proportional to 13,089.40, 19,604.67 and 10,158.82

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Solution

The fourth proportional to 13,089.40, 19,604.67 and 10,158.82 is: 15,215.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089.40 : 19,604.67 = 10,158.82 : x
  2. Step 2: Convert to fraction form
    13,089.40/19,604.67 = 10,158.82/x
  3. Step 3: Cross multiply
    13,089.40x = 19,604.67 × 10,158.82
  4. Step 4: Simplify right side
    13,089.40x = 199,160,313.69
  5. Step 5: Solve for x
    x = 199,160,313.69/13,089.40
  6. Step 6: Final answer
    x = 15,215.39

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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.