Home / 13,254.45-18,291.15-7,285.99

Finding the Fourth Proportional to 13,254.45, 18,291.15 and 7,285.99

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Solution

The fourth proportional to 13,254.45, 18,291.15 and 7,285.99 is: 10,054.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.45 : 18,291.15 = 7,285.99 : x
  2. Step 2: Convert to fraction form
    13,254.45/18,291.15 = 7,285.99/x
  3. Step 3: Cross multiply
    13,254.45x = 18,291.15 × 7,285.99
  4. Step 4: Simplify right side
    13,254.45x = 133,269,135.99
  5. Step 5: Solve for x
    x = 133,269,135.99/13,254.45
  6. Step 6: Final answer
    x = 10,054.67

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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.