Home / 14,430.80-21,654.30-6,109.40

Finding the Fourth Proportional to 14,430.80, 21,654.30 and 6,109.40

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Solution

The fourth proportional to 14,430.80, 21,654.30 and 6,109.40 is: 9,167.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.80 : 21,654.30 = 6,109.40 : x
  2. Step 2: Convert to fraction form
    14,430.80/21,654.30 = 6,109.40/x
  3. Step 3: Cross multiply
    14,430.80x = 21,654.30 × 6,109.40
  4. Step 4: Simplify right side
    14,430.80x = 132,294,780.42
  5. Step 5: Solve for x
    x = 132,294,780.42/14,430.80
  6. Step 6: Final answer
    x = 9,167.53

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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.