Home / 21,463.23-29,620.02-12,509.28

Finding the Fourth Proportional to 21,463.23, 29,620.02 and 12,509.28

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Solution

The fourth proportional to 21,463.23, 29,620.02 and 12,509.28 is: 17,263.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,463.23 : 29,620.02 = 12,509.28 : x
  2. Step 2: Convert to fraction form
    21,463.23/29,620.02 = 12,509.28/x
  3. Step 3: Cross multiply
    21,463.23x = 29,620.02 × 12,509.28
  4. Step 4: Simplify right side
    21,463.23x = 370,525,197.84
  5. Step 5: Solve for x
    x = 370,525,197.84/21,463.23
  6. Step 6: Final answer
    x = 17,263.26

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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.