Home / 21,693.84-29,926.71-14,607.96

Finding the Fourth Proportional to 21,693.84, 29,926.71 and 14,607.96

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Solution

The fourth proportional to 21,693.84, 29,926.71 and 14,607.96 is: 20,151.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,693.84 : 29,926.71 = 14,607.96 : x
  2. Step 2: Convert to fraction form
    21,693.84/29,926.71 = 14,607.96/x
  3. Step 3: Cross multiply
    21,693.84x = 29,926.71 × 14,607.96
  4. Step 4: Simplify right side
    21,693.84x = 437,168,182.61
  5. Step 5: Solve for x
    x = 437,168,182.61/21,693.84
  6. Step 6: Final answer
    x = 20,151.72

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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.