Home / 12,956.30-19,434.45-10,364.30

Finding the Fourth Proportional to 12,956.30, 19,434.45 and 10,364.30

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Solution

The fourth proportional to 12,956.30, 19,434.45 and 10,364.30 is: 15,546.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,956.30 : 19,434.45 = 10,364.30 : x
  2. Step 2: Convert to fraction form
    12,956.30/19,434.45 = 10,364.30/x
  3. Step 3: Cross multiply
    12,956.30x = 19,434.45 × 10,364.30
  4. Step 4: Simplify right side
    12,956.30x = 201,424,470.14
  5. Step 5: Solve for x
    x = 201,424,470.14/12,956.30
  6. Step 6: Final answer
    x = 15,546.45

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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.