Home / 12,635.50-17,436.63-6,970.27

Finding the Fourth Proportional to 12,635.50, 17,436.63 and 6,970.27

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Solution

The fourth proportional to 12,635.50, 17,436.63 and 6,970.27 is: 9,618.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.50 : 17,436.63 = 6,970.27 : x
  2. Step 2: Convert to fraction form
    12,635.50/17,436.63 = 6,970.27/x
  3. Step 3: Cross multiply
    12,635.50x = 17,436.63 × 6,970.27
  4. Step 4: Simplify right side
    12,635.50x = 121,538,018.99
  5. Step 5: Solve for x
    x = 121,538,018.99/12,635.50
  6. Step 6: Final answer
    x = 9,618.77

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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.