Home / 12,977.18-19,429.04-10,089.26

Finding the Fourth Proportional to 12,977.18, 19,429.04 and 10,089.26

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Solution

The fourth proportional to 12,977.18, 19,429.04 and 10,089.26 is: 15,105.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,977.18 : 19,429.04 = 10,089.26 : x
  2. Step 2: Convert to fraction form
    12,977.18/19,429.04 = 10,089.26/x
  3. Step 3: Cross multiply
    12,977.18x = 19,429.04 × 10,089.26
  4. Step 4: Simplify right side
    12,977.18x = 196,024,636.11
  5. Step 5: Solve for x
    x = 196,024,636.11/12,977.18
  6. Step 6: Final answer
    x = 15,105.33

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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.