Home / 14,655.04-20,232.12-13,765.66

Finding the Fourth Proportional to 14,655.04, 20,232.12 and 13,765.66

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Solution

The fourth proportional to 14,655.04, 20,232.12 and 13,765.66 is: 19,004.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,655.04 : 20,232.12 = 13,765.66 : x
  2. Step 2: Convert to fraction form
    14,655.04/20,232.12 = 13,765.66/x
  3. Step 3: Cross multiply
    14,655.04x = 20,232.12 × 13,765.66
  4. Step 4: Simplify right side
    14,655.04x = 278,508,485.00
  5. Step 5: Solve for x
    x = 278,508,485.00/14,655.04
  6. Step 6: Final answer
    x = 19,004.28

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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.