Home / 15,139.81-22,694.96-7,240.26

Finding the Fourth Proportional to 15,139.81, 22,694.96 and 7,240.26

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Solution

The fourth proportional to 15,139.81, 22,694.96 and 7,240.26 is: 10,853.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,139.81 : 22,694.96 = 7,240.26 : x
  2. Step 2: Convert to fraction form
    15,139.81/22,694.96 = 7,240.26/x
  3. Step 3: Cross multiply
    15,139.81x = 22,694.96 × 7,240.26
  4. Step 4: Simplify right side
    15,139.81x = 164,317,430.10
  5. Step 5: Solve for x
    x = 164,317,430.10/15,139.81
  6. Step 6: Final answer
    x = 10,853.33

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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.