Home / 19,895.67-27,477.41-12,359.90

Finding the Fourth Proportional to 19,895.67, 27,477.41 and 12,359.90

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Solution

The fourth proportional to 19,895.67, 27,477.41 and 12,359.90 is: 17,069.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,895.67 : 27,477.41 = 12,359.90 : x
  2. Step 2: Convert to fraction form
    19,895.67/27,477.41 = 12,359.90/x
  3. Step 3: Cross multiply
    19,895.67x = 27,477.41 × 12,359.90
  4. Step 4: Simplify right side
    19,895.67x = 339,617,840.67
  5. Step 5: Solve for x
    x = 339,617,840.67/19,895.67
  6. Step 6: Final answer
    x = 17,069.94

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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.