Home / 14,290.18-21,438.60-4,428.93

Finding the Fourth Proportional to 14,290.18, 21,438.60 and 4,428.93

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Solution

The fourth proportional to 14,290.18, 21,438.60 and 4,428.93 is: 6,644.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.18 : 21,438.60 = 4,428.93 : x
  2. Step 2: Convert to fraction form
    14,290.18/21,438.60 = 4,428.93/x
  3. Step 3: Cross multiply
    14,290.18x = 21,438.60 × 4,428.93
  4. Step 4: Simplify right side
    14,290.18x = 94,950,058.70
  5. Step 5: Solve for x
    x = 94,950,058.70/14,290.18
  6. Step 6: Final answer
    x = 6,644.43

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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.