Home / 15,735.07-21,714.48-9,021.10

Finding the Fourth Proportional to 15,735.07, 21,714.48 and 9,021.10

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Solution

The fourth proportional to 15,735.07, 21,714.48 and 9,021.10 is: 12,449.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,735.07 : 21,714.48 = 9,021.10 : x
  2. Step 2: Convert to fraction form
    15,735.07/21,714.48 = 9,021.10/x
  3. Step 3: Cross multiply
    15,735.07x = 21,714.48 × 9,021.10
  4. Step 4: Simplify right side
    15,735.07x = 195,888,495.53
  5. Step 5: Solve for x
    x = 195,888,495.53/15,735.07
  6. Step 6: Final answer
    x = 12,449.17

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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.