Home / 12,977.61-19,466.41-7,427.08

Finding the Fourth Proportional to 12,977.61, 19,466.41 and 7,427.08

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Solution

The fourth proportional to 12,977.61, 19,466.41 and 7,427.08 is: 11,140.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,977.61 : 19,466.41 = 7,427.08 : x
  2. Step 2: Convert to fraction form
    12,977.61/19,466.41 = 7,427.08/x
  3. Step 3: Cross multiply
    12,977.61x = 19,466.41 × 7,427.08
  4. Step 4: Simplify right side
    12,977.61x = 144,578,584.38
  5. Step 5: Solve for x
    x = 144,578,584.38/12,977.61
  6. Step 6: Final answer
    x = 11,140.62

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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.