Home / 12,712.06-19,068.37-8,948.46

Finding the Fourth Proportional to 12,712.06, 19,068.37 and 8,948.46

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Solution

The fourth proportional to 12,712.06, 19,068.37 and 8,948.46 is: 13,422.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,712.06 : 19,068.37 = 8,948.46 : x
  2. Step 2: Convert to fraction form
    12,712.06/19,068.37 = 8,948.46/x
  3. Step 3: Cross multiply
    12,712.06x = 19,068.37 × 8,948.46
  4. Step 4: Simplify right side
    12,712.06x = 170,632,523.84
  5. Step 5: Solve for x
    x = 170,632,523.84/12,712.06
  6. Step 6: Final answer
    x = 13,422.89

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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.