Home / 15,574.21-21,492.07-8,500.75

Finding the Fourth Proportional to 15,574.21, 21,492.07 and 8,500.75

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Solution

The fourth proportional to 15,574.21, 21,492.07 and 8,500.75 is: 11,730.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,574.21 : 21,492.07 = 8,500.75 : x
  2. Step 2: Convert to fraction form
    15,574.21/21,492.07 = 8,500.75/x
  3. Step 3: Cross multiply
    15,574.21x = 21,492.07 × 8,500.75
  4. Step 4: Simplify right side
    15,574.21x = 182,698,714.05
  5. Step 5: Solve for x
    x = 182,698,714.05/15,574.21
  6. Step 6: Final answer
    x = 11,730.85

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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.