Home / 14,219.18-21,328.72-4,357.19

Finding the Fourth Proportional to 14,219.18, 21,328.72 and 4,357.19

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Solution

The fourth proportional to 14,219.18, 21,328.72 and 4,357.19 is: 6,535.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219.18 : 21,328.72 = 4,357.19 : x
  2. Step 2: Convert to fraction form
    14,219.18/21,328.72 = 4,357.19/x
  3. Step 3: Cross multiply
    14,219.18x = 21,328.72 × 4,357.19
  4. Step 4: Simplify right side
    14,219.18x = 92,933,327.93
  5. Step 5: Solve for x
    x = 92,933,327.93/14,219.18
  6. Step 6: Final answer
    x = 6,535.77

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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.