Home / 12,956.13-19,433.42-7,622.30

Finding the Fourth Proportional to 12,956.13, 19,433.42 and 7,622.30

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Solution

The fourth proportional to 12,956.13, 19,433.42 and 7,622.30 is: 11,433.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,956.13 : 19,433.42 = 7,622.30 : x
  2. Step 2: Convert to fraction form
    12,956.13/19,433.42 = 7,622.30/x
  3. Step 3: Cross multiply
    12,956.13x = 19,433.42 × 7,622.30
  4. Step 4: Simplify right side
    12,956.13x = 148,127,336.06
  5. Step 5: Solve for x
    x = 148,127,336.06/12,956.13
  6. Step 6: Final answer
    x = 11,433.00

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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.