Home / 21,294.54-29,374.27-13,322.93

Finding the Fourth Proportional to 21,294.54, 29,374.27 and 13,322.93

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Solution

The fourth proportional to 21,294.54, 29,374.27 and 13,322.93 is: 18,378.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,294.54 : 29,374.27 = 13,322.93 : x
  2. Step 2: Convert to fraction form
    21,294.54/29,374.27 = 13,322.93/x
  3. Step 3: Cross multiply
    21,294.54x = 29,374.27 × 13,322.93
  4. Step 4: Simplify right side
    21,294.54x = 391,351,129.53
  5. Step 5: Solve for x
    x = 391,351,129.53/21,294.54
  6. Step 6: Final answer
    x = 18,378.00

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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.