Home / 10,776.21-14,870.84-6,529.78

Finding the Fourth Proportional to 10,776.21, 14,870.84 and 6,529.78

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Solution

The fourth proportional to 10,776.21, 14,870.84 and 6,529.78 is: 9,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,776.21 : 14,870.84 = 6,529.78 : x
  2. Step 2: Convert to fraction form
    10,776.21/14,870.84 = 6,529.78/x
  3. Step 3: Cross multiply
    10,776.21x = 14,870.84 × 6,529.78
  4. Step 4: Simplify right side
    10,776.21x = 97,103,313.62
  5. Step 5: Solve for x
    x = 97,103,313.62/10,776.21
  6. Step 6: Final answer
    x = 9,010.90

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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.