Home / 14,114-19,478.40-7,826.96

Finding the Fourth Proportional to 14,114, 19,478.40 and 7,826.96

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Solution

The fourth proportional to 14,114, 19,478.40 and 7,826.96 is: 10,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114 : 19,478.40 = 7,826.96 : x
  2. Step 2: Convert to fraction form
    14,114/19,478.40 = 7,826.96/x
  3. Step 3: Cross multiply
    14,114x = 19,478.40 × 7,826.96
  4. Step 4: Simplify right side
    14,114x = 152,456,657.66
  5. Step 5: Solve for x
    x = 152,456,657.66/14,114
  6. Step 6: Final answer
    x = 10,801.80

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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.