Home / 9,384.88-14,075.10-3,145.12

Finding the Fourth Proportional to 9,384.88, 14,075.10 and 3,145.12

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Solution

The fourth proportional to 9,384.88, 14,075.10 and 3,145.12 is: 4,716.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,384.88 : 14,075.10 = 3,145.12 : x
  2. Step 2: Convert to fraction form
    9,384.88/14,075.10 = 3,145.12/x
  3. Step 3: Cross multiply
    9,384.88x = 14,075.10 × 3,145.12
  4. Step 4: Simplify right side
    9,384.88x = 44,267,878.51
  5. Step 5: Solve for x
    x = 44,267,878.51/9,384.88
  6. Step 6: Final answer
    x = 4,716.94

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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.