Home / 20,176.49-30,264.43-9,075.34

Finding the Fourth Proportional to 20,176.49, 30,264.43 and 9,075.34

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Solution

The fourth proportional to 20,176.49, 30,264.43 and 9,075.34 is: 13,612.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.49 : 30,264.43 = 9,075.34 : x
  2. Step 2: Convert to fraction form
    20,176.49/30,264.43 = 9,075.34/x
  3. Step 3: Cross multiply
    20,176.49x = 30,264.43 × 9,075.34
  4. Step 4: Simplify right side
    20,176.49x = 274,659,795.46
  5. Step 5: Solve for x
    x = 274,659,795.46/20,176.49
  6. Step 6: Final answer
    x = 13,612.87

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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.