Home / 15,648.21-21,594.85-8,574.62

Finding the Fourth Proportional to 15,648.21, 21,594.85 and 8,574.62

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Solution

The fourth proportional to 15,648.21, 21,594.85 and 8,574.62 is: 11,833.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,648.21 : 21,594.85 = 8,574.62 : x
  2. Step 2: Convert to fraction form
    15,648.21/21,594.85 = 8,574.62/x
  3. Step 3: Cross multiply
    15,648.21x = 21,594.85 × 8,574.62
  4. Step 4: Simplify right side
    15,648.21x = 185,167,503.30
  5. Step 5: Solve for x
    x = 185,167,503.30/15,648.21
  6. Step 6: Final answer
    x = 11,833.14

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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.