Home / 20,277.98-30,417.04-6,237.91

Finding the Fourth Proportional to 20,277.98, 30,417.04 and 6,237.91

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Solution

The fourth proportional to 20,277.98, 30,417.04 and 6,237.91 is: 9,356.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,277.98 : 30,417.04 = 6,237.91 : x
  2. Step 2: Convert to fraction form
    20,277.98/30,417.04 = 6,237.91/x
  3. Step 3: Cross multiply
    20,277.98x = 30,417.04 × 6,237.91
  4. Step 4: Simplify right side
    20,277.98x = 189,738,780.41
  5. Step 5: Solve for x
    x = 189,738,780.41/20,277.98
  6. Step 6: Final answer
    x = 9,356.89

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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.