Home / 13,381.68-20,072.08-6,365.04

Finding the Fourth Proportional to 13,381.68, 20,072.08 and 6,365.04

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Solution

The fourth proportional to 13,381.68, 20,072.08 and 6,365.04 is: 9,547.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,381.68 : 20,072.08 = 6,365.04 : x
  2. Step 2: Convert to fraction form
    13,381.68/20,072.08 = 6,365.04/x
  3. Step 3: Cross multiply
    13,381.68x = 20,072.08 × 6,365.04
  4. Step 4: Simplify right side
    13,381.68x = 127,759,592.08
  5. Step 5: Solve for x
    x = 127,759,592.08/13,381.68
  6. Step 6: Final answer
    x = 9,547.35

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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.