Home / 14,390.98-21,572.62-7,374.30

Finding the Fourth Proportional to 14,390.98, 21,572.62 and 7,374.30

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Solution

The fourth proportional to 14,390.98, 21,572.62 and 7,374.30 is: 11,054.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.98 : 21,572.62 = 7,374.30 : x
  2. Step 2: Convert to fraction form
    14,390.98/21,572.62 = 7,374.30/x
  3. Step 3: Cross multiply
    14,390.98x = 21,572.62 × 7,374.30
  4. Step 4: Simplify right side
    14,390.98x = 159,082,826.93
  5. Step 5: Solve for x
    x = 159,082,826.93/14,390.98
  6. Step 6: Final answer
    x = 11,054.34

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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.