Home / 10,818.35-14,929.27-6,102.60

Finding the Fourth Proportional to 10,818.35, 14,929.27 and 6,102.60

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Solution

The fourth proportional to 10,818.35, 14,929.27 and 6,102.60 is: 8,421.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.35 : 14,929.27 = 6,102.60 : x
  2. Step 2: Convert to fraction form
    10,818.35/14,929.27 = 6,102.60/x
  3. Step 3: Cross multiply
    10,818.35x = 14,929.27 × 6,102.60
  4. Step 4: Simplify right side
    10,818.35x = 91,107,363.10
  5. Step 5: Solve for x
    x = 91,107,363.10/10,818.35
  6. Step 6: Final answer
    x = 8,421.56

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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.