Home / 12,709.81-19,057.73-10,094.07

Finding the Fourth Proportional to 12,709.81, 19,057.73 and 10,094.07

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Solution

The fourth proportional to 12,709.81, 19,057.73 and 10,094.07 is: 15,135.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,709.81 : 19,057.73 = 10,094.07 : x
  2. Step 2: Convert to fraction form
    12,709.81/19,057.73 = 10,094.07/x
  3. Step 3: Cross multiply
    12,709.81x = 19,057.73 × 10,094.07
  4. Step 4: Simplify right side
    12,709.81x = 192,370,031.24
  5. Step 5: Solve for x
    x = 192,370,031.24/12,709.81
  6. Step 6: Final answer
    x = 15,135.55

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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.