Home / 13,302.52-19,960.74-8,621.34

Finding the Fourth Proportional to 13,302.52, 19,960.74 and 8,621.34

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Solution

The fourth proportional to 13,302.52, 19,960.74 and 8,621.34 is: 12,936.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.52 : 19,960.74 = 8,621.34 : x
  2. Step 2: Convert to fraction form
    13,302.52/19,960.74 = 8,621.34/x
  3. Step 3: Cross multiply
    13,302.52x = 19,960.74 × 8,621.34
  4. Step 4: Simplify right side
    13,302.52x = 172,088,326.19
  5. Step 5: Solve for x
    x = 172,088,326.19/13,302.52
  6. Step 6: Final answer
    x = 12,936.52

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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.