Home / 13,018.03-17,956.34-9,195.28

Finding the Fourth Proportional to 13,018.03, 17,956.34 and 9,195.28

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Solution

The fourth proportional to 13,018.03, 17,956.34 and 9,195.28 is: 12,683.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.03 : 17,956.34 = 9,195.28 : x
  2. Step 2: Convert to fraction form
    13,018.03/17,956.34 = 9,195.28/x
  3. Step 3: Cross multiply
    13,018.03x = 17,956.34 × 9,195.28
  4. Step 4: Simplify right side
    13,018.03x = 165,113,438.32
  5. Step 5: Solve for x
    x = 165,113,438.32/13,018.03
  6. Step 6: Final answer
    x = 12,683.45

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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.