Home / 37,206.21-55,809.47-9,126.45

Finding the Fourth Proportional to 37,206.21, 55,809.47 and 9,126.45

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Solution

The fourth proportional to 37,206.21, 55,809.47 and 9,126.45 is: 13,689.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,206.21 : 55,809.47 = 9,126.45 : x
  2. Step 2: Convert to fraction form
    37,206.21/55,809.47 = 9,126.45/x
  3. Step 3: Cross multiply
    37,206.21x = 55,809.47 × 9,126.45
  4. Step 4: Simplify right side
    37,206.21x = 509,342,291.85
  5. Step 5: Solve for x
    x = 509,342,291.85/37,206.21
  6. Step 6: Final answer
    x = 13,689.71

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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.