Home / 13,526.47-20,289.71-4,291.75

Finding the Fourth Proportional to 13,526.47, 20,289.71 and 4,291.75

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Solution

The fourth proportional to 13,526.47, 20,289.71 and 4,291.75 is: 6,437.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.47 : 20,289.71 = 4,291.75 : x
  2. Step 2: Convert to fraction form
    13,526.47/20,289.71 = 4,291.75/x
  3. Step 3: Cross multiply
    13,526.47x = 20,289.71 × 4,291.75
  4. Step 4: Simplify right side
    13,526.47x = 87,078,362.89
  5. Step 5: Solve for x
    x = 87,078,362.89/13,526.47
  6. Step 6: Final answer
    x = 6,437.63

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.