Home / 12,988.90-19,486.24-6,059.62

Finding the Fourth Proportional to 12,988.90, 19,486.24 and 6,059.62

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Solution

The fourth proportional to 12,988.90, 19,486.24 and 6,059.62 is: 9,090.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,988.90 : 19,486.24 = 6,059.62 : x
  2. Step 2: Convert to fraction form
    12,988.90/19,486.24 = 6,059.62/x
  3. Step 3: Cross multiply
    12,988.90x = 19,486.24 × 6,059.62
  4. Step 4: Simplify right side
    12,988.90x = 118,079,209.63
  5. Step 5: Solve for x
    x = 118,079,209.63/12,988.90
  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.