Home / 14,390.73-19,857.86-10,615.99

Finding the Fourth Proportional to 14,390.73, 19,857.86 and 10,615.99

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Solution

The fourth proportional to 14,390.73, 19,857.86 and 10,615.99 is: 14,649.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.73 : 19,857.86 = 10,615.99 : x
  2. Step 2: Convert to fraction form
    14,390.73/19,857.86 = 10,615.99/x
  3. Step 3: Cross multiply
    14,390.73x = 19,857.86 × 10,615.99
  4. Step 4: Simplify right side
    14,390.73x = 210,810,845.43
  5. Step 5: Solve for x
    x = 210,810,845.43/14,390.73
  6. Step 6: Final answer
    x = 14,649.07

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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.