Home / 21,412.65-29,548.85-11,852.94

Finding the Fourth Proportional to 21,412.65, 29,548.85 and 11,852.94

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Solution

The fourth proportional to 21,412.65, 29,548.85 and 11,852.94 is: 16,356.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,412.65 : 29,548.85 = 11,852.94 : x
  2. Step 2: Convert to fraction form
    21,412.65/29,548.85 = 11,852.94/x
  3. Step 3: Cross multiply
    21,412.65x = 29,548.85 × 11,852.94
  4. Step 4: Simplify right side
    21,412.65x = 350,240,686.85
  5. Step 5: Solve for x
    x = 350,240,686.85/21,412.65
  6. Step 6: Final answer
    x = 16,356.72

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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.