Home / 12,988.91-19,486.25-6,059.63

Finding the Fourth Proportional to 12,988.91, 19,486.25 and 6,059.63

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Solution

The fourth proportional to 12,988.91, 19,486.25 and 6,059.63 is: 9,090.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,988.91 : 19,486.25 = 6,059.63 : x
  2. Step 2: Convert to fraction form
    12,988.91/19,486.25 = 6,059.63/x
  3. Step 3: Cross multiply
    12,988.91x = 19,486.25 × 6,059.63
  4. Step 4: Simplify right side
    12,988.91x = 118,079,337.36
  5. Step 5: Solve for x
    x = 118,079,337.36/12,988.91
  6. Step 6: Final answer
    x = 9,090.78

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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.