Home / 14,430.28-21,653.88-6,109.78

Finding the Fourth Proportional to 14,430.28, 21,653.88 and 6,109.78

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Solution

The fourth proportional to 14,430.28, 21,653.88 and 6,109.78 is: 9,168.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.28 : 21,653.88 = 6,109.78 : x
  2. Step 2: Convert to fraction form
    14,430.28/21,653.88 = 6,109.78/x
  3. Step 3: Cross multiply
    14,430.28x = 21,653.88 × 6,109.78
  4. Step 4: Simplify right side
    14,430.28x = 132,300,442.95
  5. Step 5: Solve for x
    x = 132,300,442.95/14,430.28
  6. Step 6: Final answer
    x = 9,168.25

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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.