Home / 14,190.32-21,288.86-4,328.98

Finding the Fourth Proportional to 14,190.32, 21,288.86 and 4,328.98

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Solution

The fourth proportional to 14,190.32, 21,288.86 and 4,328.98 is: 6,494.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.32 : 21,288.86 = 4,328.98 : x
  2. Step 2: Convert to fraction form
    14,190.32/21,288.86 = 4,328.98/x
  3. Step 3: Cross multiply
    14,190.32x = 21,288.86 × 4,328.98
  4. Step 4: Simplify right side
    14,190.32x = 92,158,990.53
  5. Step 5: Solve for x
    x = 92,158,990.53/14,190.32
  6. Step 6: Final answer
    x = 6,494.50

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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.