Home / 21,360.98-29,476.08-14,652.36

Finding the Fourth Proportional to 21,360.98, 29,476.08 and 14,652.36

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Solution

The fourth proportional to 21,360.98, 29,476.08 and 14,652.36 is: 20,218.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,360.98 : 29,476.08 = 14,652.36 : x
  2. Step 2: Convert to fraction form
    21,360.98/29,476.08 = 14,652.36/x
  3. Step 3: Cross multiply
    21,360.98x = 29,476.08 × 14,652.36
  4. Step 4: Simplify right side
    21,360.98x = 431,894,135.55
  5. Step 5: Solve for x
    x = 431,894,135.55/21,360.98
  6. Step 6: Final answer
    x = 20,218.84

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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.