Home / 8,956.23-13,415.88-5,247.21

Finding the Fourth Proportional to 8,956.23, 13,415.88 and 5,247.21

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Solution

The fourth proportional to 8,956.23, 13,415.88 and 5,247.21 is: 7,860.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956.23 : 13,415.88 = 5,247.21 : x
  2. Step 2: Convert to fraction form
    8,956.23/13,415.88 = 5,247.21/x
  3. Step 3: Cross multiply
    8,956.23x = 13,415.88 × 5,247.21
  4. Step 4: Simplify right side
    8,956.23x = 70,395,939.69
  5. Step 5: Solve for x
    x = 70,395,939.69/8,956.23
  6. Step 6: Final answer
    x = 7,860.00

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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.