Home / 13,077.05-19,566.97-7,814.88

Finding the Fourth Proportional to 13,077.05, 19,566.97 and 7,814.88

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Solution

The fourth proportional to 13,077.05, 19,566.97 and 7,814.88 is: 11,693.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,077.05 : 19,566.97 = 7,814.88 : x
  2. Step 2: Convert to fraction form
    13,077.05/19,566.97 = 7,814.88/x
  3. Step 3: Cross multiply
    13,077.05x = 19,566.97 × 7,814.88
  4. Step 4: Simplify right side
    13,077.05x = 152,913,502.98
  5. Step 5: Solve for x
    x = 152,913,502.98/13,077.05
  6. Step 6: Final answer
    x = 11,693.28

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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.