Home / 21,463.98-29,621.06-12,510.04

Finding the Fourth Proportional to 21,463.98, 29,621.06 and 12,510.04

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Solution

The fourth proportional to 21,463.98, 29,621.06 and 12,510.04 is: 17,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,463.98 : 29,621.06 = 12,510.04 : x
  2. Step 2: Convert to fraction form
    21,463.98/29,621.06 = 12,510.04/x
  3. Step 3: Cross multiply
    21,463.98x = 29,621.06 × 12,510.04
  4. Step 4: Simplify right side
    21,463.98x = 370,560,434.79
  5. Step 5: Solve for x
    x = 370,560,434.79/21,463.98
  6. Step 6: Final answer
    x = 17,264.30

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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.