Home / 13,110.30-19,665.45-9,368.10

Finding the Fourth Proportional to 13,110.30, 19,665.45 and 9,368.10

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Solution

The fourth proportional to 13,110.30, 19,665.45 and 9,368.10 is: 14,052.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.30 : 19,665.45 = 9,368.10 : x
  2. Step 2: Convert to fraction form
    13,110.30/19,665.45 = 9,368.10/x
  3. Step 3: Cross multiply
    13,110.30x = 19,665.45 × 9,368.10
  4. Step 4: Simplify right side
    13,110.30x = 184,227,902.15
  5. Step 5: Solve for x
    x = 184,227,902.15/13,110.30
  6. Step 6: Final answer
    x = 14,052.15

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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.