Home / 21,436.84-29,563.08-14,710.60

Finding the Fourth Proportional to 21,436.84, 29,563.08 and 14,710.60

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Solution

The fourth proportional to 21,436.84, 29,563.08 and 14,710.60 is: 20,287.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,436.84 : 29,563.08 = 14,710.60 : x
  2. Step 2: Convert to fraction form
    21,436.84/29,563.08 = 14,710.60/x
  3. Step 3: Cross multiply
    21,436.84x = 29,563.08 × 14,710.60
  4. Step 4: Simplify right side
    21,436.84x = 434,890,644.65
  5. Step 5: Solve for x
    x = 434,890,644.65/21,436.84
  6. Step 6: Final answer
    x = 20,287.07

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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.