Home / 21,462.02-29,616.30-12,510.98

Finding the Fourth Proportional to 21,462.02, 29,616.30 and 12,510.98

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Solution

The fourth proportional to 21,462.02, 29,616.30 and 12,510.98 is: 17,264.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,462.02 : 29,616.30 = 12,510.98 : x
  2. Step 2: Convert to fraction form
    21,462.02/29,616.30 = 12,510.98/x
  3. Step 3: Cross multiply
    21,462.02x = 29,616.30 × 12,510.98
  4. Step 4: Simplify right side
    21,462.02x = 370,528,936.97
  5. Step 5: Solve for x
    x = 370,528,936.97/21,462.02
  6. Step 6: Final answer
    x = 17,264.40

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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.