Home / 19,615.02-27,072.63-11,655.66

Finding the Fourth Proportional to 19,615.02, 27,072.63 and 11,655.66

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Solution

The fourth proportional to 19,615.02, 27,072.63 and 11,655.66 is: 16,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,615.02 : 27,072.63 = 11,655.66 : x
  2. Step 2: Convert to fraction form
    19,615.02/27,072.63 = 11,655.66/x
  3. Step 3: Cross multiply
    19,615.02x = 27,072.63 × 11,655.66
  4. Step 4: Simplify right side
    19,615.02x = 315,549,370.59
  5. Step 5: Solve for x
    x = 315,549,370.59/19,615.02
  6. Step 6: Final answer
    x = 16,087.13

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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.