Home / 13,950.70-19,243.64-9,977.65

Finding the Fourth Proportional to 13,950.70, 19,243.64 and 9,977.65

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Solution

The fourth proportional to 13,950.70, 19,243.64 and 9,977.65 is: 13,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.70 : 19,243.64 = 9,977.65 : x
  2. Step 2: Convert to fraction form
    13,950.70/19,243.64 = 9,977.65/x
  3. Step 3: Cross multiply
    13,950.70x = 19,243.64 × 9,977.65
  4. Step 4: Simplify right side
    13,950.70x = 192,006,281.48
  5. Step 5: Solve for x
    x = 192,006,281.48/13,950.70
  6. Step 6: Final answer
    x = 13,763.20

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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.