Home / 10,830.08-16,242.32-4,256.30

Finding the Fourth Proportional to 10,830.08, 16,242.32 and 4,256.30

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Solution

The fourth proportional to 10,830.08, 16,242.32 and 4,256.30 is: 6,383.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830.08 : 16,242.32 = 4,256.30 : x
  2. Step 2: Convert to fraction form
    10,830.08/16,242.32 = 4,256.30/x
  3. Step 3: Cross multiply
    10,830.08x = 16,242.32 × 4,256.30
  4. Step 4: Simplify right side
    10,830.08x = 69,132,186.62
  5. Step 5: Solve for x
    x = 69,132,186.62/10,830.08
  6. Step 6: Final answer
    x = 6,383.35

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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.