Home / 30,870.75-46,306.15-11,149.35

Finding the Fourth Proportional to 30,870.75, 46,306.15 and 11,149.35

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Solution

The fourth proportional to 30,870.75, 46,306.15 and 11,149.35 is: 16,724.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,870.75 : 46,306.15 = 11,149.35 : x
  2. Step 2: Convert to fraction form
    30,870.75/46,306.15 = 11,149.35/x
  3. Step 3: Cross multiply
    30,870.75x = 46,306.15 × 11,149.35
  4. Step 4: Simplify right side
    30,870.75x = 516,283,271.98
  5. Step 5: Solve for x
    x = 516,283,271.98/30,870.75
  6. Step 6: Final answer
    x = 16,724.03

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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.