Home / 13,400.19-20,100.29-4,630.32

Finding the Fourth Proportional to 13,400.19, 20,100.29 and 4,630.32

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Solution

The fourth proportional to 13,400.19, 20,100.29 and 4,630.32 is: 6,945.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400.19 : 20,100.29 = 4,630.32 : x
  2. Step 2: Convert to fraction form
    13,400.19/20,100.29 = 4,630.32/x
  3. Step 3: Cross multiply
    13,400.19x = 20,100.29 × 4,630.32
  4. Step 4: Simplify right side
    13,400.19x = 93,070,751.64
  5. Step 5: Solve for x
    x = 93,070,751.64/13,400.19
  6. Step 6: Final answer
    x = 6,945.48

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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.