Home / 13,653.54-20,482.47-4,888.26

Finding the Fourth Proportional to 13,653.54, 20,482.47 and 4,888.26

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Solution

The fourth proportional to 13,653.54, 20,482.47 and 4,888.26 is: 7,333.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,653.54 : 20,482.47 = 4,888.26 : x
  2. Step 2: Convert to fraction form
    13,653.54/20,482.47 = 4,888.26/x
  3. Step 3: Cross multiply
    13,653.54x = 20,482.47 × 4,888.26
  4. Step 4: Simplify right side
    13,653.54x = 100,123,638.80
  5. Step 5: Solve for x
    x = 100,123,638.80/13,653.54
  6. Step 6: Final answer
    x = 7,333.16

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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.