Home / 14,042.34-19,387.53-8,739.30

Finding the Fourth Proportional to 14,042.34, 19,387.53 and 8,739.30

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Solution

The fourth proportional to 14,042.34, 19,387.53 and 8,739.30 is: 12,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.34 : 19,387.53 = 8,739.30 : x
  2. Step 2: Convert to fraction form
    14,042.34/19,387.53 = 8,739.30/x
  3. Step 3: Cross multiply
    14,042.34x = 19,387.53 × 8,739.30
  4. Step 4: Simplify right side
    14,042.34x = 169,433,440.93
  5. Step 5: Solve for x
    x = 169,433,440.93/14,042.34
  6. Step 6: Final answer
    x = 12,065.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.