Home / 13,437.08-20,054-13,087.16

Finding the Fourth Proportional to 13,437.08, 20,054 and 13,087.16

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Solution

The fourth proportional to 13,437.08, 20,054 and 13,087.16 is: 19,531.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437.08 : 20,054 = 13,087.16 : x
  2. Step 2: Convert to fraction form
    13,437.08/20,054 = 13,087.16/x
  3. Step 3: Cross multiply
    13,437.08x = 20,054 × 13,087.16
  4. Step 4: Simplify right side
    13,437.08x = 262,449,906.64
  5. Step 5: Solve for x
    x = 262,449,906.64/13,437.08
  6. Step 6: Final answer
    x = 19,531.77

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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.