Home / 20,065.86-30,127.95-14,817.06

Finding the Fourth Proportional to 20,065.86, 30,127.95 and 14,817.06

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Solution

The fourth proportional to 20,065.86, 30,127.95 and 14,817.06 is: 22,247.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,065.86 : 30,127.95 = 14,817.06 : x
  2. Step 2: Convert to fraction form
    20,065.86/30,127.95 = 14,817.06/x
  3. Step 3: Cross multiply
    20,065.86x = 30,127.95 × 14,817.06
  4. Step 4: Simplify right side
    20,065.86x = 446,407,642.83
  5. Step 5: Solve for x
    x = 446,407,642.83/20,065.86
  6. Step 6: Final answer
    x = 22,247.12

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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.