Home / 13,437.49-18,501.39-12,191.93

Finding the Fourth Proportional to 13,437.49, 18,501.39 and 12,191.93

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Solution

The fourth proportional to 13,437.49, 18,501.39 and 12,191.93 is: 16,786.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437.49 : 18,501.39 = 12,191.93 : x
  2. Step 2: Convert to fraction form
    13,437.49/18,501.39 = 12,191.93/x
  3. Step 3: Cross multiply
    13,437.49x = 18,501.39 × 12,191.93
  4. Step 4: Simplify right side
    13,437.49x = 225,567,498.32
  5. Step 5: Solve for x
    x = 225,567,498.32/13,437.49
  6. Step 6: Final answer
    x = 16,786.43

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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.