Home / 14,113.90-19,479.72-8,144.74

Finding the Fourth Proportional to 14,113.90, 19,479.72 and 8,144.74

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Solution

The fourth proportional to 14,113.90, 19,479.72 and 8,144.74 is: 11,241.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.90 : 19,479.72 = 8,144.74 : x
  2. Step 2: Convert to fraction form
    14,113.90/19,479.72 = 8,144.74/x
  3. Step 3: Cross multiply
    14,113.90x = 19,479.72 × 8,144.74
  4. Step 4: Simplify right side
    14,113.90x = 158,657,254.67
  5. Step 5: Solve for x
    x = 158,657,254.67/14,113.90
  6. Step 6: Final answer
    x = 11,241.21

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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.