Home / 13,113.85-19,670.91-10,497.99

Finding the Fourth Proportional to 13,113.85, 19,670.91 and 10,497.99

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Solution

The fourth proportional to 13,113.85, 19,670.91 and 10,497.99 is: 15,747.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,113.85 : 19,670.91 = 10,497.99 : x
  2. Step 2: Convert to fraction form
    13,113.85/19,670.91 = 10,497.99/x
  3. Step 3: Cross multiply
    13,113.85x = 19,670.91 × 10,497.99
  4. Step 4: Simplify right side
    13,113.85x = 206,504,865.63
  5. Step 5: Solve for x
    x = 206,504,865.63/13,113.85
  6. Step 6: Final answer
    x = 15,747.08

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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.