Home / 14,184.72-21,280.16-4,323.74

Finding the Fourth Proportional to 14,184.72, 21,280.16 and 4,323.74

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Solution

The fourth proportional to 14,184.72, 21,280.16 and 4,323.74 is: 6,486.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.72 : 21,280.16 = 4,323.74 : x
  2. Step 2: Convert to fraction form
    14,184.72/21,280.16 = 4,323.74/x
  3. Step 3: Cross multiply
    14,184.72x = 21,280.16 × 4,323.74
  4. Step 4: Simplify right side
    14,184.72x = 92,009,879.00
  5. Step 5: Solve for x
    x = 92,009,879.00/14,184.72
  6. Step 6: Final answer
    x = 6,486.55

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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.