Home / 19,479.36-29,223.36-9,085.44

Finding the Fourth Proportional to 19,479.36, 29,223.36 and 9,085.44

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Solution

The fourth proportional to 19,479.36, 29,223.36 and 9,085.44 is: 13,630.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479.36 : 29,223.36 = 9,085.44 : x
  2. Step 2: Convert to fraction form
    19,479.36/29,223.36 = 9,085.44/x
  3. Step 3: Cross multiply
    19,479.36x = 29,223.36 × 9,085.44
  4. Step 4: Simplify right side
    19,479.36x = 265,507,083.88
  5. Step 5: Solve for x
    x = 265,507,083.88/19,479.36
  6. Step 6: Final answer
    x = 13,630.17

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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.