Home / 15,461.19-21,339.52-8,746.83

Finding the Fourth Proportional to 15,461.19, 21,339.52 and 8,746.83

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Solution

The fourth proportional to 15,461.19, 21,339.52 and 8,746.83 is: 12,072.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,461.19 : 21,339.52 = 8,746.83 : x
  2. Step 2: Convert to fraction form
    15,461.19/21,339.52 = 8,746.83/x
  3. Step 3: Cross multiply
    15,461.19x = 21,339.52 × 8,746.83
  4. Step 4: Simplify right side
    15,461.19x = 186,653,131.85
  5. Step 5: Solve for x
    x = 186,653,131.85/15,461.19
  6. Step 6: Final answer
    x = 12,072.37

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Double scale
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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.