Home / 14,283.39-19,720.82-8,907.92

Finding the Fourth Proportional to 14,283.39, 19,720.82 and 8,907.92

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Solution

The fourth proportional to 14,283.39, 19,720.82 and 8,907.92 is: 12,299.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,283.39 : 19,720.82 = 8,907.92 : x
  2. Step 2: Convert to fraction form
    14,283.39/19,720.82 = 8,907.92/x
  3. Step 3: Cross multiply
    14,283.39x = 19,720.82 × 8,907.92
  4. Step 4: Simplify right side
    14,283.39x = 175,671,545.34
  5. Step 5: Solve for x
    x = 175,671,545.34/14,283.39
  6. Step 6: Final answer
    x = 12,299.01

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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.