Home / 11,720.63-16,182.03-10,459.54

Finding the Fourth Proportional to 11,720.63, 16,182.03 and 10,459.54

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Solution

The fourth proportional to 11,720.63, 16,182.03 and 10,459.54 is: 14,440.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720.63 : 16,182.03 = 10,459.54 : x
  2. Step 2: Convert to fraction form
    11,720.63/16,182.03 = 10,459.54/x
  3. Step 3: Cross multiply
    11,720.63x = 16,182.03 × 10,459.54
  4. Step 4: Simplify right side
    11,720.63x = 169,256,649.52
  5. Step 5: Solve for x
    x = 169,256,649.52/11,720.63
  6. Step 6: Final answer
    x = 14,440.91

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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.