Home / 13,962.48-19,272.71-8,940.23

Finding the Fourth Proportional to 13,962.48, 19,272.71 and 8,940.23

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Solution

The fourth proportional to 13,962.48, 19,272.71 and 8,940.23 is: 12,340.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.48 : 19,272.71 = 8,940.23 : x
  2. Step 2: Convert to fraction form
    13,962.48/19,272.71 = 8,940.23/x
  3. Step 3: Cross multiply
    13,962.48x = 19,272.71 × 8,940.23
  4. Step 4: Simplify right side
    13,962.48x = 172,302,386.11
  5. Step 5: Solve for x
    x = 172,302,386.11/13,962.48
  6. Step 6: Final answer
    x = 12,340.39

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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.