Home / 13,437.59-20,054.75-13,087.67

Finding the Fourth Proportional to 13,437.59, 20,054.75 and 13,087.67

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Solution

The fourth proportional to 13,437.59, 20,054.75 and 13,087.67 is: 19,532.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437.59 : 20,054.75 = 13,087.67 : x
  2. Step 2: Convert to fraction form
    13,437.59/20,054.75 = 13,087.67/x
  3. Step 3: Cross multiply
    13,437.59x = 20,054.75 × 13,087.67
  4. Step 4: Simplify right side
    13,437.59x = 262,469,784.22
  5. Step 5: Solve for x
    x = 262,469,784.22/13,437.59
  6. Step 6: Final answer
    x = 19,532.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.