Home / 14,289.36-21,426.18-4,425.90

Finding the Fourth Proportional to 14,289.36, 21,426.18 and 4,425.90

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Solution

The fourth proportional to 14,289.36, 21,426.18 and 4,425.90 is: 6,636.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.36 : 21,426.18 = 4,425.90 : x
  2. Step 2: Convert to fraction form
    14,289.36/21,426.18 = 4,425.90/x
  3. Step 3: Cross multiply
    14,289.36x = 21,426.18 × 4,425.90
  4. Step 4: Simplify right side
    14,289.36x = 94,830,130.06
  5. Step 5: Solve for x
    x = 94,830,130.06/14,289.36
  6. Step 6: Final answer
    x = 6,636.42

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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.