Home / 15,749.93-21,733.25-9,699.18

Finding the Fourth Proportional to 15,749.93, 21,733.25 and 9,699.18

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Solution

The fourth proportional to 15,749.93, 21,733.25 and 9,699.18 is: 13,383.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,749.93 : 21,733.25 = 9,699.18 : x
  2. Step 2: Convert to fraction form
    15,749.93/21,733.25 = 9,699.18/x
  3. Step 3: Cross multiply
    15,749.93x = 21,733.25 × 9,699.18
  4. Step 4: Simplify right side
    15,749.93x = 210,794,655.24
  5. Step 5: Solve for x
    x = 210,794,655.24/15,749.93
  6. Step 6: Final answer
    x = 13,383.85

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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.