Home / 15,349.70-23,011.09-12,738.87

Finding the Fourth Proportional to 15,349.70, 23,011.09 and 12,738.87

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Solution

The fourth proportional to 15,349.70, 23,011.09 and 12,738.87 is: 19,097.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,349.70 : 23,011.09 = 12,738.87 : x
  2. Step 2: Convert to fraction form
    15,349.70/23,011.09 = 12,738.87/x
  3. Step 3: Cross multiply
    15,349.70x = 23,011.09 × 12,738.87
  4. Step 4: Simplify right side
    15,349.70x = 293,135,252.22
  5. Step 5: Solve for x
    x = 293,135,252.22/15,349.70
  6. Step 6: Final answer
    x = 19,097.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.