Home / 16,170.34-22,315.32-9,000.64

Finding the Fourth Proportional to 16,170.34, 22,315.32 and 9,000.64

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Solution

The fourth proportional to 16,170.34, 22,315.32 and 9,000.64 is: 12,421.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,170.34 : 22,315.32 = 9,000.64 : x
  2. Step 2: Convert to fraction form
    16,170.34/22,315.32 = 9,000.64/x
  3. Step 3: Cross multiply
    16,170.34x = 22,315.32 × 9,000.64
  4. Step 4: Simplify right side
    16,170.34x = 200,852,220.82
  5. Step 5: Solve for x
    x = 200,852,220.82/16,170.34
  6. Step 6: Final answer
    x = 12,421.03

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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.