Home / 13,550.01-18,699.93-7,581.35

Finding the Fourth Proportional to 13,550.01, 18,699.93 and 7,581.35

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Solution

The fourth proportional to 13,550.01, 18,699.93 and 7,581.35 is: 10,462.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.01 : 18,699.93 = 7,581.35 : x
  2. Step 2: Convert to fraction form
    13,550.01/18,699.93 = 7,581.35/x
  3. Step 3: Cross multiply
    13,550.01x = 18,699.93 × 7,581.35
  4. Step 4: Simplify right side
    13,550.01x = 141,770,714.31
  5. Step 5: Solve for x
    x = 141,770,714.31/13,550.01
  6. Step 6: Final answer
    x = 10,462.78

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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.