Home / 14,320.94-19,745.98-13,271.18

Finding the Fourth Proportional to 14,320.94, 19,745.98 and 13,271.18

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Solution

The fourth proportional to 14,320.94, 19,745.98 and 13,271.18 is: 18,298.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320.94 : 19,745.98 = 13,271.18 : x
  2. Step 2: Convert to fraction form
    14,320.94/19,745.98 = 13,271.18/x
  3. Step 3: Cross multiply
    14,320.94x = 19,745.98 × 13,271.18
  4. Step 4: Simplify right side
    14,320.94x = 262,052,322.95
  5. Step 5: Solve for x
    x = 262,052,322.95/14,320.94
  6. Step 6: Final answer
    x = 18,298.55

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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.