Home / 16,478.58-22,734.74-13,448.36

Finding the Fourth Proportional to 16,478.58, 22,734.74 and 13,448.36

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Solution

The fourth proportional to 16,478.58, 22,734.74 and 13,448.36 is: 18,554.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,478.58 : 22,734.74 = 13,448.36 : x
  2. Step 2: Convert to fraction form
    16,478.58/22,734.74 = 13,448.36/x
  3. Step 3: Cross multiply
    16,478.58x = 22,734.74 × 13,448.36
  4. Step 4: Simplify right side
    16,478.58x = 305,744,968.03
  5. Step 5: Solve for x
    x = 305,744,968.03/16,478.58
  6. Step 6: Final answer
    x = 18,554.08

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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.