Home / 15,110.81-22,666.79-5,749.08

Finding the Fourth Proportional to 15,110.81, 22,666.79 and 5,749.08

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Solution

The fourth proportional to 15,110.81, 22,666.79 and 5,749.08 is: 8,623.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110.81 : 22,666.79 = 5,749.08 : x
  2. Step 2: Convert to fraction form
    15,110.81/22,666.79 = 5,749.08/x
  3. Step 3: Cross multiply
    15,110.81x = 22,666.79 × 5,749.08
  4. Step 4: Simplify right side
    15,110.81x = 130,313,160.31
  5. Step 5: Solve for x
    x = 130,313,160.31/15,110.81
  6. Step 6: Final answer
    x = 8,623.84

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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.