Home / 21,594.77-32,378.28-9,111.38

Finding the Fourth Proportional to 21,594.77, 32,378.28 and 9,111.38

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Solution

The fourth proportional to 21,594.77, 32,378.28 and 9,111.38 is: 13,661.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,594.77 : 32,378.28 = 9,111.38 : x
  2. Step 2: Convert to fraction form
    21,594.77/32,378.28 = 9,111.38/x
  3. Step 3: Cross multiply
    21,594.77x = 32,378.28 × 9,111.38
  4. Step 4: Simplify right side
    21,594.77x = 295,010,650.94
  5. Step 5: Solve for x
    x = 295,010,650.94/21,594.77
  6. Step 6: Final answer
    x = 13,661.21

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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.