Home / 14,978.75-22,420.73-9,412.83

Finding the Fourth Proportional to 14,978.75, 22,420.73 and 9,412.83

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Solution

The fourth proportional to 14,978.75, 22,420.73 and 9,412.83 is: 14,089.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,978.75 : 22,420.73 = 9,412.83 : x
  2. Step 2: Convert to fraction form
    14,978.75/22,420.73 = 9,412.83/x
  3. Step 3: Cross multiply
    14,978.75x = 22,420.73 × 9,412.83
  4. Step 4: Simplify right side
    14,978.75x = 211,042,543.50
  5. Step 5: Solve for x
    x = 211,042,543.50/14,978.75
  6. Step 6: Final answer
    x = 14,089.47

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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.