Home / 13,289.95-18,333.74-8,252.56

Finding the Fourth Proportional to 13,289.95, 18,333.74 and 8,252.56

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Solution

The fourth proportional to 13,289.95, 18,333.74 and 8,252.56 is: 11,384.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289.95 : 18,333.74 = 8,252.56 : x
  2. Step 2: Convert to fraction form
    13,289.95/18,333.74 = 8,252.56/x
  3. Step 3: Cross multiply
    13,289.95x = 18,333.74 × 8,252.56
  4. Step 4: Simplify right side
    13,289.95x = 151,300,289.37
  5. Step 5: Solve for x
    x = 151,300,289.37/13,289.95
  6. Step 6: Final answer
    x = 11,384.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.