Home / 20,389.26-30,592.06-9,301.18

Finding the Fourth Proportional to 20,389.26, 30,592.06 and 9,301.18

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Solution

The fourth proportional to 20,389.26, 30,592.06 and 9,301.18 is: 13,955.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,389.26 : 30,592.06 = 9,301.18 : x
  2. Step 2: Convert to fraction form
    20,389.26/30,592.06 = 9,301.18/x
  3. Step 3: Cross multiply
    20,389.26x = 30,592.06 × 9,301.18
  4. Step 4: Simplify right side
    20,389.26x = 284,542,256.63
  5. Step 5: Solve for x
    x = 284,542,256.63/20,389.26
  6. Step 6: Final answer
    x = 13,955.50

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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.