Home / 21,252.04-29,328.42-12,302.36

Finding the Fourth Proportional to 21,252.04, 29,328.42 and 12,302.36

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Solution

The fourth proportional to 21,252.04, 29,328.42 and 12,302.36 is: 16,977.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,252.04 : 29,328.42 = 12,302.36 : x
  2. Step 2: Convert to fraction form
    21,252.04/29,328.42 = 12,302.36/x
  3. Step 3: Cross multiply
    21,252.04x = 29,328.42 × 12,302.36
  4. Step 4: Simplify right side
    21,252.04x = 360,808,781.07
  5. Step 5: Solve for x
    x = 360,808,781.07/21,252.04
  6. Step 6: Final answer
    x = 16,977.61

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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.