Home / 21,476.34-29,637.29-12,045.11

Finding the Fourth Proportional to 21,476.34, 29,637.29 and 12,045.11

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Solution

The fourth proportional to 21,476.34, 29,637.29 and 12,045.11 is: 16,622.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476.34 : 29,637.29 = 12,045.11 : x
  2. Step 2: Convert to fraction form
    21,476.34/29,637.29 = 12,045.11/x
  3. Step 3: Cross multiply
    21,476.34x = 29,637.29 × 12,045.11
  4. Step 4: Simplify right side
    21,476.34x = 356,984,209.74
  5. Step 5: Solve for x
    x = 356,984,209.74/21,476.34
  6. Step 6: Final answer
    x = 16,622.21

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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.