Home / 12,721.24-19,075.38-8,567.56

Finding the Fourth Proportional to 12,721.24, 19,075.38 and 8,567.56

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Solution

The fourth proportional to 12,721.24, 19,075.38 and 8,567.56 is: 12,846.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,721.24 : 19,075.38 = 8,567.56 : x
  2. Step 2: Convert to fraction form
    12,721.24/19,075.38 = 8,567.56/x
  3. Step 3: Cross multiply
    12,721.24x = 19,075.38 × 8,567.56
  4. Step 4: Simplify right side
    12,721.24x = 163,429,462.67
  5. Step 5: Solve for x
    x = 163,429,462.67/12,721.24
  6. Step 6: Final answer
    x = 12,846.98

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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.