Home / 9,677.77-13,359.41-6,538.21

Finding the Fourth Proportional to 9,677.77, 13,359.41 and 6,538.21

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Solution

The fourth proportional to 9,677.77, 13,359.41 and 6,538.21 is: 9,025.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,677.77 : 13,359.41 = 6,538.21 : x
  2. Step 2: Convert to fraction form
    9,677.77/13,359.41 = 6,538.21/x
  3. Step 3: Cross multiply
    9,677.77x = 13,359.41 × 6,538.21
  4. Step 4: Simplify right side
    9,677.77x = 87,346,628.06
  5. Step 5: Solve for x
    x = 87,346,628.06/9,677.77
  6. Step 6: Final answer
    x = 9,025.49

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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.