Home / 21,283.83-29,343.06-14,901.84

Finding the Fourth Proportional to 21,283.83, 29,343.06 and 14,901.84

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Solution

The fourth proportional to 21,283.83, 29,343.06 and 14,901.84 is: 20,544.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,283.83 : 29,343.06 = 14,901.84 : x
  2. Step 2: Convert to fraction form
    21,283.83/29,343.06 = 14,901.84/x
  3. Step 3: Cross multiply
    21,283.83x = 29,343.06 × 14,901.84
  4. Step 4: Simplify right side
    21,283.83x = 437,265,585.23
  5. Step 5: Solve for x
    x = 437,265,585.23/21,283.83
  6. Step 6: Final answer
    x = 20,544.50

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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.