Home / 12,675.87-19,008.36-4,356.70

Finding the Fourth Proportional to 12,675.87, 19,008.36 and 4,356.70

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Solution

The fourth proportional to 12,675.87, 19,008.36 and 4,356.70 is: 6,533.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.87 : 19,008.36 = 4,356.70 : x
  2. Step 2: Convert to fraction form
    12,675.87/19,008.36 = 4,356.70/x
  3. Step 3: Cross multiply
    12,675.87x = 19,008.36 × 4,356.70
  4. Step 4: Simplify right side
    12,675.87x = 82,813,674.49
  5. Step 5: Solve for x
    x = 82,813,674.49/12,675.87
  6. Step 6: Final answer
    x = 6,533.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.