Home / 15,448.62-21,317.50-9,480.54

Finding the Fourth Proportional to 15,448.62, 21,317.50 and 9,480.54

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Solution

The fourth proportional to 15,448.62, 21,317.50 and 9,480.54 is: 13,082.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,448.62 : 21,317.50 = 9,480.54 : x
  2. Step 2: Convert to fraction form
    15,448.62/21,317.50 = 9,480.54/x
  3. Step 3: Cross multiply
    15,448.62x = 21,317.50 × 9,480.54
  4. Step 4: Simplify right side
    15,448.62x = 202,101,411.45
  5. Step 5: Solve for x
    x = 202,101,411.45/15,448.62
  6. Step 6: Final answer
    x = 13,082.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.