Home / 13,535.55-20,303.55-4,770.54

Finding the Fourth Proportional to 13,535.55, 20,303.55 and 4,770.54

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Solution

The fourth proportional to 13,535.55, 20,303.55 and 4,770.54 is: 7,155.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.55 : 20,303.55 = 4,770.54 : x
  2. Step 2: Convert to fraction form
    13,535.55/20,303.55 = 4,770.54/x
  3. Step 3: Cross multiply
    13,535.55x = 20,303.55 × 4,770.54
  4. Step 4: Simplify right side
    13,535.55x = 96,858,897.42
  5. Step 5: Solve for x
    x = 96,858,897.42/13,535.55
  6. Step 6: Final answer
    x = 7,155.89

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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.