Home / 20,353.12-30,537.60-14,555.68

Finding the Fourth Proportional to 20,353.12, 30,537.60 and 14,555.68

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Solution

The fourth proportional to 20,353.12, 30,537.60 and 14,555.68 is: 21,839.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,353.12 : 30,537.60 = 14,555.68 : x
  2. Step 2: Convert to fraction form
    20,353.12/30,537.60 = 14,555.68/x
  3. Step 3: Cross multiply
    20,353.12x = 30,537.60 × 14,555.68
  4. Step 4: Simplify right side
    20,353.12x = 444,495,533.57
  5. Step 5: Solve for x
    x = 444,495,533.57/20,353.12
  6. Step 6: Final answer
    x = 21,839.18

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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.