Home / 10,830.08-16,224.39-6,434.18

Finding the Fourth Proportional to 10,830.08, 16,224.39 and 6,434.18

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Solution

The fourth proportional to 10,830.08, 16,224.39 and 6,434.18 is: 9,638.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830.08 : 16,224.39 = 6,434.18 : x
  2. Step 2: Convert to fraction form
    10,830.08/16,224.39 = 6,434.18/x
  3. Step 3: Cross multiply
    10,830.08x = 16,224.39 × 6,434.18
  4. Step 4: Simplify right side
    10,830.08x = 104,390,645.65
  5. Step 5: Solve for x
    x = 104,390,645.65/10,830.08
  6. Step 6: Final answer
    x = 9,638.95

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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.