Home / 15,076.36-20,793.48-14,070.28

Finding the Fourth Proportional to 15,076.36, 20,793.48 and 14,070.28

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Solution

The fourth proportional to 15,076.36, 20,793.48 and 14,070.28 is: 19,405.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,076.36 : 20,793.48 = 14,070.28 : x
  2. Step 2: Convert to fraction form
    15,076.36/20,793.48 = 14,070.28/x
  3. Step 3: Cross multiply
    15,076.36x = 20,793.48 × 14,070.28
  4. Step 4: Simplify right side
    15,076.36x = 292,570,085.77
  5. Step 5: Solve for x
    x = 292,570,085.77/15,076.36
  6. Step 6: Final answer
    x = 19,405.88

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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.