Home / 14,280.21-19,713.84-8,977.95

Finding the Fourth Proportional to 14,280.21, 19,713.84 and 8,977.95

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Solution

The fourth proportional to 14,280.21, 19,713.84 and 8,977.95 is: 12,394.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.21 : 19,713.84 = 8,977.95 : x
  2. Step 2: Convert to fraction form
    14,280.21/19,713.84 = 8,977.95/x
  3. Step 3: Cross multiply
    14,280.21x = 19,713.84 × 8,977.95
  4. Step 4: Simplify right side
    14,280.21x = 176,989,726.37
  5. Step 5: Solve for x
    x = 176,989,726.37/14,280.21
  6. Step 6: Final answer
    x = 12,394.06

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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.