Home / 13,259.03-19,887.50-7,708.83

Finding the Fourth Proportional to 13,259.03, 19,887.50 and 7,708.83

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Solution

The fourth proportional to 13,259.03, 19,887.50 and 7,708.83 is: 11,562.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259.03 : 19,887.50 = 7,708.83 : x
  2. Step 2: Convert to fraction form
    13,259.03/19,887.50 = 7,708.83/x
  3. Step 3: Cross multiply
    13,259.03x = 19,887.50 × 7,708.83
  4. Step 4: Simplify right side
    13,259.03x = 153,309,356.63
  5. Step 5: Solve for x
    x = 153,309,356.63/13,259.03
  6. Step 6: Final answer
    x = 11,562.64

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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.