Home / 13,403.36-20,100-4,636.16

Finding the Fourth Proportional to 13,403.36, 20,100 and 4,636.16

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Solution

The fourth proportional to 13,403.36, 20,100 and 4,636.16 is: 6,952.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.36 : 20,100 = 4,636.16 : x
  2. Step 2: Convert to fraction form
    13,403.36/20,100 = 4,636.16/x
  3. Step 3: Cross multiply
    13,403.36x = 20,100 × 4,636.16
  4. Step 4: Simplify right side
    13,403.36x = 93,186,816
  5. Step 5: Solve for x
    x = 93,186,816/13,403.36
  6. Step 6: Final answer
    x = 6,952.50

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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.