Home / 10,955.25-16,423.29-7,249.77

Finding the Fourth Proportional to 10,955.25, 16,423.29 and 7,249.77

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Solution

The fourth proportional to 10,955.25, 16,423.29 and 7,249.77 is: 10,868.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,955.25 : 16,423.29 = 7,249.77 : x
  2. Step 2: Convert to fraction form
    10,955.25/16,423.29 = 7,249.77/x
  3. Step 3: Cross multiply
    10,955.25x = 16,423.29 × 7,249.77
  4. Step 4: Simplify right side
    10,955.25x = 119,065,075.14
  5. Step 5: Solve for x
    x = 119,065,075.14/10,955.25
  6. Step 6: Final answer
    x = 10,868.31

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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.