Home / 10,435.90-14,402.13-6,189.47

Finding the Fourth Proportional to 10,435.90, 14,402.13 and 6,189.47

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Solution

The fourth proportional to 10,435.90, 14,402.13 and 6,189.47 is: 8,541.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.90 : 14,402.13 = 6,189.47 : x
  2. Step 2: Convert to fraction form
    10,435.90/14,402.13 = 6,189.47/x
  3. Step 3: Cross multiply
    10,435.90x = 14,402.13 × 6,189.47
  4. Step 4: Simplify right side
    10,435.90x = 89,141,520.62
  5. Step 5: Solve for x
    x = 89,141,520.62/10,435.90
  6. Step 6: Final answer
    x = 8,541.82

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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.