Home / 14,075.89-19,423.02-8,109.49

Finding the Fourth Proportional to 14,075.89, 19,423.02 and 8,109.49

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Solution

The fourth proportional to 14,075.89, 19,423.02 and 8,109.49 is: 11,190.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.89 : 19,423.02 = 8,109.49 : x
  2. Step 2: Convert to fraction form
    14,075.89/19,423.02 = 8,109.49/x
  3. Step 3: Cross multiply
    14,075.89x = 19,423.02 × 8,109.49
  4. Step 4: Simplify right side
    14,075.89x = 157,510,786.46
  5. Step 5: Solve for x
    x = 157,510,786.46/14,075.89
  6. Step 6: Final answer
    x = 11,190.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.