Home / 14,399.81-21,603.36-6,075.54

Finding the Fourth Proportional to 14,399.81, 21,603.36 and 6,075.54

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Solution

The fourth proportional to 14,399.81, 21,603.36 and 6,075.54 is: 9,114.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399.81 : 21,603.36 = 6,075.54 : x
  2. Step 2: Convert to fraction form
    14,399.81/21,603.36 = 6,075.54/x
  3. Step 3: Cross multiply
    14,399.81x = 21,603.36 × 6,075.54
  4. Step 4: Simplify right side
    14,399.81x = 131,252,066.42
  5. Step 5: Solve for x
    x = 131,252,066.42/14,399.81
  6. Step 6: Final answer
    x = 9,114.85

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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.