Home / 14,113.32-19,471.95-8,144.21

Finding the Fourth Proportional to 14,113.32, 19,471.95 and 8,144.21

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Solution

The fourth proportional to 14,113.32, 19,471.95 and 8,144.21 is: 11,236.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.32 : 19,471.95 = 8,144.21 : x
  2. Step 2: Convert to fraction form
    14,113.32/19,471.95 = 8,144.21/x
  3. Step 3: Cross multiply
    14,113.32x = 19,471.95 × 8,144.21
  4. Step 4: Simplify right side
    14,113.32x = 158,583,552.55
  5. Step 5: Solve for x
    x = 158,583,552.55/14,113.32
  6. Step 6: Final answer
    x = 11,236.45

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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.