Home / 19,749.02-27,262.61-12,588.77

Finding the Fourth Proportional to 19,749.02, 27,262.61 and 12,588.77

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Solution

The fourth proportional to 19,749.02, 27,262.61 and 12,588.77 is: 17,378.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,749.02 : 27,262.61 = 12,588.77 : x
  2. Step 2: Convert to fraction form
    19,749.02/27,262.61 = 12,588.77/x
  3. Step 3: Cross multiply
    19,749.02x = 27,262.61 × 12,588.77
  4. Step 4: Simplify right side
    19,749.02x = 343,202,527.63
  5. Step 5: Solve for x
    x = 343,202,527.63/19,749.02
  6. Step 6: Final answer
    x = 17,378.21

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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.