Home / 15,789.02-21,792.48-9,825.26

Finding the Fourth Proportional to 15,789.02, 21,792.48 and 9,825.26

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Solution

The fourth proportional to 15,789.02, 21,792.48 and 9,825.26 is: 13,561.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,789.02 : 21,792.48 = 9,825.26 : x
  2. Step 2: Convert to fraction form
    15,789.02/21,792.48 = 9,825.26/x
  3. Step 3: Cross multiply
    15,789.02x = 21,792.48 × 9,825.26
  4. Step 4: Simplify right side
    15,789.02x = 214,116,782.04
  5. Step 5: Solve for x
    x = 214,116,782.04/15,789.02
  6. Step 6: Final answer
    x = 13,561.12

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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.