Home / 14,045.13-19,382.40-7,671.60

Finding the Fourth Proportional to 14,045.13, 19,382.40 and 7,671.60

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Solution

The fourth proportional to 14,045.13, 19,382.40 and 7,671.60 is: 10,586.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.13 : 19,382.40 = 7,671.60 : x
  2. Step 2: Convert to fraction form
    14,045.13/19,382.40 = 7,671.60/x
  3. Step 3: Cross multiply
    14,045.13x = 19,382.40 × 7,671.60
  4. Step 4: Simplify right side
    14,045.13x = 148,694,019.84
  5. Step 5: Solve for x
    x = 148,694,019.84/14,045.13
  6. Step 6: Final answer
    x = 10,586.87

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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.