Home / 19,895.48-29,816.34-7,576.76

Finding the Fourth Proportional to 19,895.48, 29,816.34 and 7,576.76

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Solution

The fourth proportional to 19,895.48, 29,816.34 and 7,576.76 is: 11,354.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,895.48 : 29,816.34 = 7,576.76 : x
  2. Step 2: Convert to fraction form
    19,895.48/29,816.34 = 7,576.76/x
  3. Step 3: Cross multiply
    19,895.48x = 29,816.34 × 7,576.76
  4. Step 4: Simplify right side
    19,895.48x = 225,911,252.26
  5. Step 5: Solve for x
    x = 225,911,252.26/19,895.48
  6. Step 6: Final answer
    x = 11,354.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.