Home / 30,947.72-46,392.91-11,220.98

Finding the Fourth Proportional to 30,947.72, 46,392.91 and 11,220.98

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Solution

The fourth proportional to 30,947.72, 46,392.91 and 11,220.98 is: 16,821.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,947.72 : 46,392.91 = 11,220.98 : x
  2. Step 2: Convert to fraction form
    30,947.72/46,392.91 = 11,220.98/x
  3. Step 3: Cross multiply
    30,947.72x = 46,392.91 × 11,220.98
  4. Step 4: Simplify right side
    30,947.72x = 520,573,655.23
  5. Step 5: Solve for x
    x = 520,573,655.23/30,947.72
  6. Step 6: Final answer
    x = 16,821.07

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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.