Home / 19,966.85-29,887.95-14,707.79

Finding the Fourth Proportional to 19,966.85, 29,887.95 and 14,707.79

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Solution

The fourth proportional to 19,966.85, 29,887.95 and 14,707.79 is: 22,015.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966.85 : 29,887.95 = 14,707.79 : x
  2. Step 2: Convert to fraction form
    19,966.85/29,887.95 = 14,707.79/x
  3. Step 3: Cross multiply
    19,966.85x = 29,887.95 × 14,707.79
  4. Step 4: Simplify right side
    19,966.85x = 439,585,692.13
  5. Step 5: Solve for x
    x = 439,585,692.13/19,966.85
  6. Step 6: Final answer
    x = 22,015.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.