Home / 15,594.26-21,520.04-8,520.74

Finding the Fourth Proportional to 15,594.26, 21,520.04 and 8,520.74

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Solution

The fourth proportional to 15,594.26, 21,520.04 and 8,520.74 is: 11,758.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,594.26 : 21,520.04 = 8,520.74 : x
  2. Step 2: Convert to fraction form
    15,594.26/21,520.04 = 8,520.74/x
  3. Step 3: Cross multiply
    15,594.26x = 21,520.04 × 8,520.74
  4. Step 4: Simplify right side
    15,594.26x = 183,366,515.43
  5. Step 5: Solve for x
    x = 183,366,515.43/15,594.26
  6. Step 6: Final answer
    x = 11,758.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.