Home / 20,261.16-30,364.29-9,153.99

Finding the Fourth Proportional to 20,261.16, 30,364.29 and 9,153.99

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Solution

The fourth proportional to 20,261.16, 30,364.29 and 9,153.99 is: 13,718.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261.16 : 30,364.29 = 9,153.99 : x
  2. Step 2: Convert to fraction form
    20,261.16/30,364.29 = 9,153.99/x
  3. Step 3: Cross multiply
    20,261.16x = 30,364.29 × 9,153.99
  4. Step 4: Simplify right side
    20,261.16x = 277,954,407.02
  5. Step 5: Solve for x
    x = 277,954,407.02/20,261.16
  6. Step 6: Final answer
    x = 13,718.58

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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.