Home / 14,064.13-19,409.10-7,776.50

Finding the Fourth Proportional to 14,064.13, 19,409.10 and 7,776.50

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Solution

The fourth proportional to 14,064.13, 19,409.10 and 7,776.50 is: 10,731.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064.13 : 19,409.10 = 7,776.50 : x
  2. Step 2: Convert to fraction form
    14,064.13/19,409.10 = 7,776.50/x
  3. Step 3: Cross multiply
    14,064.13x = 19,409.10 × 7,776.50
  4. Step 4: Simplify right side
    14,064.13x = 150,934,866.15
  5. Step 5: Solve for x
    x = 150,934,866.15/14,064.13
  6. Step 6: Final answer
    x = 10,731.91

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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.