Home / 15,671.29-21,624.61-9,295.58

Finding the Fourth Proportional to 15,671.29, 21,624.61 and 9,295.58

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Solution

The fourth proportional to 15,671.29, 21,624.61 and 9,295.58 is: 12,826.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,671.29 : 21,624.61 = 9,295.58 : x
  2. Step 2: Convert to fraction form
    15,671.29/21,624.61 = 9,295.58/x
  3. Step 3: Cross multiply
    15,671.29x = 21,624.61 × 9,295.58
  4. Step 4: Simplify right side
    15,671.29x = 201,013,292.22
  5. Step 5: Solve for x
    x = 201,013,292.22/15,671.29
  6. Step 6: Final answer
    x = 12,826.85

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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.