Home / 15,077.36-20,794.86-14,071.28

Finding the Fourth Proportional to 15,077.36, 20,794.86 and 14,071.28

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Solution

The fourth proportional to 15,077.36, 20,794.86 and 14,071.28 is: 19,407.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,077.36 : 20,794.86 = 14,071.28 : x
  2. Step 2: Convert to fraction form
    15,077.36/20,794.86 = 14,071.28/x
  3. Step 3: Cross multiply
    15,077.36x = 20,794.86 × 14,071.28
  4. Step 4: Simplify right side
    15,077.36x = 292,610,297.62
  5. Step 5: Solve for x
    x = 292,610,297.62/15,077.36
  6. Step 6: Final answer
    x = 19,407.26

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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.