Home / 15,608.07-21,539.72-8,894.75

Finding the Fourth Proportional to 15,608.07, 21,539.72 and 8,894.75

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Solution

The fourth proportional to 15,608.07, 21,539.72 and 8,894.75 is: 12,275.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,608.07 : 21,539.72 = 8,894.75 : x
  2. Step 2: Convert to fraction form
    15,608.07/21,539.72 = 8,894.75/x
  3. Step 3: Cross multiply
    15,608.07x = 21,539.72 × 8,894.75
  4. Step 4: Simplify right side
    15,608.07x = 191,590,272.30
  5. Step 5: Solve for x
    x = 191,590,272.30/15,608.07
  6. Step 6: Final answer
    x = 12,275.08

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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.