Home / 21,950.29-30,294.20-14,403.02

Finding the Fourth Proportional to 21,950.29, 30,294.20 and 14,403.02

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Solution

The fourth proportional to 21,950.29, 30,294.20 and 14,403.02 is: 19,878.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,950.29 : 30,294.20 = 14,403.02 : x
  2. Step 2: Convert to fraction form
    21,950.29/30,294.20 = 14,403.02/x
  3. Step 3: Cross multiply
    21,950.29x = 30,294.20 × 14,403.02
  4. Step 4: Simplify right side
    21,950.29x = 436,327,853.02
  5. Step 5: Solve for x
    x = 436,327,853.02/21,950.29
  6. Step 6: Final answer
    x = 19,878.00

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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.