Home / 14,250.92-19,671.75-12,756.20

Finding the Fourth Proportional to 14,250.92, 19,671.75 and 12,756.20

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Solution

The fourth proportional to 14,250.92, 19,671.75 and 12,756.20 is: 17,608.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.92 : 19,671.75 = 12,756.20 : x
  2. Step 2: Convert to fraction form
    14,250.92/19,671.75 = 12,756.20/x
  3. Step 3: Cross multiply
    14,250.92x = 19,671.75 × 12,756.20
  4. Step 4: Simplify right side
    14,250.92x = 250,936,678.99
  5. Step 5: Solve for x
    x = 250,936,678.99/14,250.92
  6. Step 6: Final answer
    x = 17,608.46

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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.