Home / 13,789.88-19,030.18-7,502.26

Finding the Fourth Proportional to 13,789.88, 19,030.18 and 7,502.26

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Solution

The fourth proportional to 13,789.88, 19,030.18 and 7,502.26 is: 10,353.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789.88 : 19,030.18 = 7,502.26 : x
  2. Step 2: Convert to fraction form
    13,789.88/19,030.18 = 7,502.26/x
  3. Step 3: Cross multiply
    13,789.88x = 19,030.18 × 7,502.26
  4. Step 4: Simplify right side
    13,789.88x = 142,769,358.21
  5. Step 5: Solve for x
    x = 142,769,358.21/13,789.88
  6. Step 6: Final answer
    x = 10,353.20

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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.