Home / 14,075.51-19,423.63-8,107.36

Finding the Fourth Proportional to 14,075.51, 19,423.63 and 8,107.36

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Solution

The fourth proportional to 14,075.51, 19,423.63 and 8,107.36 is: 11,187.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.51 : 19,423.63 = 8,107.36 : x
  2. Step 2: Convert to fraction form
    14,075.51/19,423.63 = 8,107.36/x
  3. Step 3: Cross multiply
    14,075.51x = 19,423.63 × 8,107.36
  4. Step 4: Simplify right side
    14,075.51x = 157,474,322.49
  5. Step 5: Solve for x
    x = 157,474,322.49/14,075.51
  6. Step 6: Final answer
    x = 11,187.83

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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.