Home / 11,977.45-16,528.90-6,526.49

Finding the Fourth Proportional to 11,977.45, 16,528.90 and 6,526.49

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Solution

The fourth proportional to 11,977.45, 16,528.90 and 6,526.49 is: 9,006.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.45 : 16,528.90 = 6,526.49 : x
  2. Step 2: Convert to fraction form
    11,977.45/16,528.90 = 6,526.49/x
  3. Step 3: Cross multiply
    11,977.45x = 16,528.90 × 6,526.49
  4. Step 4: Simplify right side
    11,977.45x = 107,875,700.56
  5. Step 5: Solve for x
    x = 107,875,700.56/11,977.45
  6. Step 6: Final answer
    x = 9,006.57

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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.