Home / 21,058.84-29,060.40-12,673.72

Finding the Fourth Proportional to 21,058.84, 29,060.40 and 12,673.72

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Solution

The fourth proportional to 21,058.84, 29,060.40 and 12,673.72 is: 17,489.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058.84 : 29,060.40 = 12,673.72 : x
  2. Step 2: Convert to fraction form
    21,058.84/29,060.40 = 12,673.72/x
  3. Step 3: Cross multiply
    21,058.84x = 29,060.40 × 12,673.72
  4. Step 4: Simplify right side
    21,058.84x = 368,303,372.69
  5. Step 5: Solve for x
    x = 368,303,372.69/21,058.84
  6. Step 6: Final answer
    x = 17,489.25

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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.