Home / 14,288.97-21,436.29-6,898.53

Finding the Fourth Proportional to 14,288.97, 21,436.29 and 6,898.53

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Solution

The fourth proportional to 14,288.97, 21,436.29 and 6,898.53 is: 10,349.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,288.97 : 21,436.29 = 6,898.53 : x
  2. Step 2: Convert to fraction form
    14,288.97/21,436.29 = 6,898.53/x
  3. Step 3: Cross multiply
    14,288.97x = 21,436.29 × 6,898.53
  4. Step 4: Simplify right side
    14,288.97x = 147,878,889.65
  5. Step 5: Solve for x
    x = 147,878,889.65/14,288.97
  6. Step 6: Final answer
    x = 10,349.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.