Home / 12,755.67-19,132.98-4,437.57

Finding the Fourth Proportional to 12,755.67, 19,132.98 and 4,437.57

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Solution

The fourth proportional to 12,755.67, 19,132.98 and 4,437.57 is: 6,656.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755.67 : 19,132.98 = 4,437.57 : x
  2. Step 2: Convert to fraction form
    12,755.67/19,132.98 = 4,437.57/x
  3. Step 3: Cross multiply
    12,755.67x = 19,132.98 × 4,437.57
  4. Step 4: Simplify right side
    12,755.67x = 84,903,938.06
  5. Step 5: Solve for x
    x = 84,903,938.06/12,755.67
  6. Step 6: Final answer
    x = 6,656.17

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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.