Home / 13,971.60-19,275.34-8,000.07

Finding the Fourth Proportional to 13,971.60, 19,275.34 and 8,000.07

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Solution

The fourth proportional to 13,971.60, 19,275.34 and 8,000.07 is: 11,036.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.60 : 19,275.34 = 8,000.07 : x
  2. Step 2: Convert to fraction form
    13,971.60/19,275.34 = 8,000.07/x
  3. Step 3: Cross multiply
    13,971.60x = 19,275.34 × 8,000.07
  4. Step 4: Simplify right side
    13,971.60x = 154,204,069.27
  5. Step 5: Solve for x
    x = 154,204,069.27/13,971.60
  6. Step 6: Final answer
    x = 11,036.97

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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.