Home / 19,063.08-26,274.19-12,678.25

Finding the Fourth Proportional to 19,063.08, 26,274.19 and 12,678.25

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Solution

The fourth proportional to 19,063.08, 26,274.19 and 12,678.25 is: 17,474.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,063.08 : 26,274.19 = 12,678.25 : x
  2. Step 2: Convert to fraction form
    19,063.08/26,274.19 = 12,678.25/x
  3. Step 3: Cross multiply
    19,063.08x = 26,274.19 × 12,678.25
  4. Step 4: Simplify right side
    19,063.08x = 333,110,846.75
  5. Step 5: Solve for x
    x = 333,110,846.75/19,063.08
  6. Step 6: Final answer
    x = 17,474.14

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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.