Home / 14,289.91-21,434.67-4,429.19

Finding the Fourth Proportional to 14,289.91, 21,434.67 and 4,429.19

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Solution

The fourth proportional to 14,289.91, 21,434.67 and 4,429.19 is: 6,643.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.91 : 21,434.67 = 4,429.19 : x
  2. Step 2: Convert to fraction form
    14,289.91/21,434.67 = 4,429.19/x
  3. Step 3: Cross multiply
    14,289.91x = 21,434.67 × 4,429.19
  4. Step 4: Simplify right side
    14,289.91x = 94,938,181.50
  5. Step 5: Solve for x
    x = 94,938,181.50/14,289.91
  6. Step 6: Final answer
    x = 6,643.72

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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.