Home / 21,964.86-30,325.47-14,424.57

Finding the Fourth Proportional to 21,964.86, 30,325.47 and 14,424.57

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Solution

The fourth proportional to 21,964.86, 30,325.47 and 14,424.57 is: 19,915.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,964.86 : 30,325.47 = 14,424.57 : x
  2. Step 2: Convert to fraction form
    21,964.86/30,325.47 = 14,424.57/x
  3. Step 3: Cross multiply
    21,964.86x = 30,325.47 × 14,424.57
  4. Step 4: Simplify right side
    21,964.86x = 437,431,864.80
  5. Step 5: Solve for x
    x = 437,431,864.80/21,964.86
  6. Step 6: Final answer
    x = 19,915.08

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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.