Home / 14,483.65-21,688.70-12,137.48

Finding the Fourth Proportional to 14,483.65, 21,688.70 and 12,137.48

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Solution

The fourth proportional to 14,483.65, 21,688.70 and 12,137.48 is: 18,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,483.65 : 21,688.70 = 12,137.48 : x
  2. Step 2: Convert to fraction form
    14,483.65/21,688.70 = 12,137.48/x
  3. Step 3: Cross multiply
    14,483.65x = 21,688.70 × 12,137.48
  4. Step 4: Simplify right side
    14,483.65x = 263,246,162.48
  5. Step 5: Solve for x
    x = 263,246,162.48/14,483.65
  6. Step 6: Final answer
    x = 18,175.40

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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.