Home / 14,123.31-19,482.07-8,153.87

Finding the Fourth Proportional to 14,123.31, 19,482.07 and 8,153.87

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Solution

The fourth proportional to 14,123.31, 19,482.07 and 8,153.87 is: 11,247.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.31 : 19,482.07 = 8,153.87 : x
  2. Step 2: Convert to fraction form
    14,123.31/19,482.07 = 8,153.87/x
  3. Step 3: Cross multiply
    14,123.31x = 19,482.07 × 8,153.87
  4. Step 4: Simplify right side
    14,123.31x = 158,854,163.60
  5. Step 5: Solve for x
    x = 158,854,163.60/14,123.31
  6. Step 6: Final answer
    x = 11,247.66

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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.