Home / 19,479.18-26,863.62-12,762.36

Finding the Fourth Proportional to 19,479.18, 26,863.62 and 12,762.36

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Solution

The fourth proportional to 19,479.18, 26,863.62 and 12,762.36 is: 17,600.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479.18 : 26,863.62 = 12,762.36 : x
  2. Step 2: Convert to fraction form
    19,479.18/26,863.62 = 12,762.36/x
  3. Step 3: Cross multiply
    19,479.18x = 26,863.62 × 12,762.36
  4. Step 4: Simplify right side
    19,479.18x = 342,843,189.34
  5. Step 5: Solve for x
    x = 342,843,189.34/19,479.18
  6. Step 6: Final answer
    x = 17,600.49

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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.