Home / 21,963.36-30,323.40-14,423.07

Finding the Fourth Proportional to 21,963.36, 30,323.40 and 14,423.07

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Solution

The fourth proportional to 21,963.36, 30,323.40 and 14,423.07 is: 19,913.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,963.36 : 30,323.40 = 14,423.07 : x
  2. Step 2: Convert to fraction form
    21,963.36/30,323.40 = 14,423.07/x
  3. Step 3: Cross multiply
    21,963.36x = 30,323.40 × 14,423.07
  4. Step 4: Simplify right side
    21,963.36x = 437,356,520.84
  5. Step 5: Solve for x
    x = 437,356,520.84/21,963.36
  6. Step 6: Final answer
    x = 19,913.01

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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.