Home / 15,610.06-21,539.73-8,894.40

Finding the Fourth Proportional to 15,610.06, 21,539.73 and 8,894.40

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Solution

The fourth proportional to 15,610.06, 21,539.73 and 8,894.40 is: 12,273.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,610.06 : 21,539.73 = 8,894.40 : x
  2. Step 2: Convert to fraction form
    15,610.06/21,539.73 = 8,894.40/x
  3. Step 3: Cross multiply
    15,610.06x = 21,539.73 × 8,894.40
  4. Step 4: Simplify right side
    15,610.06x = 191,582,974.51
  5. Step 5: Solve for x
    x = 191,582,974.51/15,610.06
  6. Step 6: Final answer
    x = 12,273.05

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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.