Home / 13,790.06-19,029.72-7,502.44

Finding the Fourth Proportional to 13,790.06, 19,029.72 and 7,502.44

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Solution

The fourth proportional to 13,790.06, 19,029.72 and 7,502.44 is: 10,353.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,790.06 : 19,029.72 = 7,502.44 : x
  2. Step 2: Convert to fraction form
    13,790.06/19,029.72 = 7,502.44/x
  3. Step 3: Cross multiply
    13,790.06x = 19,029.72 × 7,502.44
  4. Step 4: Simplify right side
    13,790.06x = 142,769,332.52
  5. Step 5: Solve for x
    x = 142,769,332.52/13,790.06
  6. Step 6: Final answer
    x = 10,353.06

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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.