Home / 14,042.10-19,376.51-8,075.70

Finding the Fourth Proportional to 14,042.10, 19,376.51 and 8,075.70

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Solution

The fourth proportional to 14,042.10, 19,376.51 and 8,075.70 is: 11,143.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.10 : 19,376.51 = 8,075.70 : x
  2. Step 2: Convert to fraction form
    14,042.10/19,376.51 = 8,075.70/x
  3. Step 3: Cross multiply
    14,042.10x = 19,376.51 × 8,075.70
  4. Step 4: Simplify right side
    14,042.10x = 156,478,841.43
  5. Step 5: Solve for x
    x = 156,478,841.43/14,042.10
  6. Step 6: Final answer
    x = 11,143.55

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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.