Home / 13,996.08-19,314.36-7,709.04

Finding the Fourth Proportional to 13,996.08, 19,314.36 and 7,709.04

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Solution

The fourth proportional to 13,996.08, 19,314.36 and 7,709.04 is: 10,638.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.08 : 19,314.36 = 7,709.04 : x
  2. Step 2: Convert to fraction form
    13,996.08/19,314.36 = 7,709.04/x
  3. Step 3: Cross multiply
    13,996.08x = 19,314.36 × 7,709.04
  4. Step 4: Simplify right side
    13,996.08x = 148,895,173.81
  5. Step 5: Solve for x
    x = 148,895,173.81/13,996.08
  6. Step 6: Final answer
    x = 10,638.35

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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.