Home / 14,071.78-19,421.66-9,042.28

Finding the Fourth Proportional to 14,071.78, 19,421.66 and 9,042.28

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Solution

The fourth proportional to 14,071.78, 19,421.66 and 9,042.28 is: 12,480.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,071.78 : 19,421.66 = 9,042.28 : x
  2. Step 2: Convert to fraction form
    14,071.78/19,421.66 = 9,042.28/x
  3. Step 3: Cross multiply
    14,071.78x = 19,421.66 × 9,042.28
  4. Step 4: Simplify right side
    14,071.78x = 175,616,120.22
  5. Step 5: Solve for x
    x = 175,616,120.22/14,071.78
  6. Step 6: Final answer
    x = 12,480.03

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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.