Home / 14,184.21-19,571.51-9,147.45

Finding the Fourth Proportional to 14,184.21, 19,571.51 and 9,147.45

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Solution

The fourth proportional to 14,184.21, 19,571.51 and 9,147.45 is: 12,621.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.21 : 19,571.51 = 9,147.45 : x
  2. Step 2: Convert to fraction form
    14,184.21/19,571.51 = 9,147.45/x
  3. Step 3: Cross multiply
    14,184.21x = 19,571.51 × 9,147.45
  4. Step 4: Simplify right side
    14,184.21x = 179,029,363.41
  5. Step 5: Solve for x
    x = 179,029,363.41/14,184.21
  6. Step 6: Final answer
    x = 12,621.74

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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.