Home / 13,409.54-20,117.62-9,468.51

Finding the Fourth Proportional to 13,409.54, 20,117.62 and 9,468.51

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Solution

The fourth proportional to 13,409.54, 20,117.62 and 9,468.51 is: 14,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,409.54 : 20,117.62 = 9,468.51 : x
  2. Step 2: Convert to fraction form
    13,409.54/20,117.62 = 9,468.51/x
  3. Step 3: Cross multiply
    13,409.54x = 20,117.62 × 9,468.51
  4. Step 4: Simplify right side
    13,409.54x = 190,483,838.80
  5. Step 5: Solve for x
    x = 190,483,838.80/13,409.54
  6. Step 6: Final answer
    x = 14,205.10

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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.