Home / 12,693.41-19,019.10-8,977.23

Finding the Fourth Proportional to 12,693.41, 19,019.10 and 8,977.23

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Solution

The fourth proportional to 12,693.41, 19,019.10 and 8,977.23 is: 13,450.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,693.41 : 19,019.10 = 8,977.23 : x
  2. Step 2: Convert to fraction form
    12,693.41/19,019.10 = 8,977.23/x
  3. Step 3: Cross multiply
    12,693.41x = 19,019.10 × 8,977.23
  4. Step 4: Simplify right side
    12,693.41x = 170,738,868.76
  5. Step 5: Solve for x
    x = 170,738,868.76/12,693.41
  6. Step 6: Final answer
    x = 13,450.99

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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.