Home / 15,826.97-21,835.09-10,160.21

Finding the Fourth Proportional to 15,826.97, 21,835.09 and 10,160.21

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Solution

The fourth proportional to 15,826.97, 21,835.09 and 10,160.21 is: 14,017.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,826.97 : 21,835.09 = 10,160.21 : x
  2. Step 2: Convert to fraction form
    15,826.97/21,835.09 = 10,160.21/x
  3. Step 3: Cross multiply
    15,826.97x = 21,835.09 × 10,160.21
  4. Step 4: Simplify right side
    15,826.97x = 221,849,099.77
  5. Step 5: Solve for x
    x = 221,849,099.77/15,826.97
  6. Step 6: Final answer
    x = 14,017.16

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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.