Home / 14,150.30-21,225.47-4,289.58

Finding the Fourth Proportional to 14,150.30, 21,225.47 and 4,289.58

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Solution

The fourth proportional to 14,150.30, 21,225.47 and 4,289.58 is: 6,434.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.30 : 21,225.47 = 4,289.58 : x
  2. Step 2: Convert to fraction form
    14,150.30/21,225.47 = 4,289.58/x
  3. Step 3: Cross multiply
    14,150.30x = 21,225.47 × 4,289.58
  4. Step 4: Simplify right side
    14,150.30x = 91,048,330.15
  5. Step 5: Solve for x
    x = 91,048,330.15/14,150.30
  6. Step 6: Final answer
    x = 6,434.38

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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.