Home / 10,746.99-16,120.08-4,421.63

Finding the Fourth Proportional to 10,746.99, 16,120.08 and 4,421.63

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Solution

The fourth proportional to 10,746.99, 16,120.08 and 4,421.63 is: 6,632.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,746.99 : 16,120.08 = 4,421.63 : x
  2. Step 2: Convert to fraction form
    10,746.99/16,120.08 = 4,421.63/x
  3. Step 3: Cross multiply
    10,746.99x = 16,120.08 × 4,421.63
  4. Step 4: Simplify right side
    10,746.99x = 71,277,069.63
  5. Step 5: Solve for x
    x = 71,277,069.63/10,746.99
  6. Step 6: Final answer
    x = 6,632.28

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Double scale
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Similar ratio
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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.