Home / 10,651.76-14,699.40-6,178.10

Finding the Fourth Proportional to 10,651.76, 14,699.40 and 6,178.10

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Solution

The fourth proportional to 10,651.76, 14,699.40 and 6,178.10 is: 8,525.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651.76 : 14,699.40 = 6,178.10 : x
  2. Step 2: Convert to fraction form
    10,651.76/14,699.40 = 6,178.10/x
  3. Step 3: Cross multiply
    10,651.76x = 14,699.40 × 6,178.10
  4. Step 4: Simplify right side
    10,651.76x = 90,814,363.14
  5. Step 5: Solve for x
    x = 90,814,363.14/10,651.76
  6. Step 6: Final answer
    x = 8,525.76

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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.