Home / 13,326.93-19,940.58-12,614.94

Finding the Fourth Proportional to 13,326.93, 19,940.58 and 12,614.94

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Solution

The fourth proportional to 13,326.93, 19,940.58 and 12,614.94 is: 18,875.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.93 : 19,940.58 = 12,614.94 : x
  2. Step 2: Convert to fraction form
    13,326.93/19,940.58 = 12,614.94/x
  3. Step 3: Cross multiply
    13,326.93x = 19,940.58 × 12,614.94
  4. Step 4: Simplify right side
    13,326.93x = 251,549,220.27
  5. Step 5: Solve for x
    x = 251,549,220.27/13,326.93
  6. Step 6: Final answer
    x = 18,875.26

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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.