Home / 13,887.66-19,164.96-7,599.90

Finding the Fourth Proportional to 13,887.66, 19,164.96 and 7,599.90

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Solution

The fourth proportional to 13,887.66, 19,164.96 and 7,599.90 is: 10,487.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887.66 : 19,164.96 = 7,599.90 : x
  2. Step 2: Convert to fraction form
    13,887.66/19,164.96 = 7,599.90/x
  3. Step 3: Cross multiply
    13,887.66x = 19,164.96 × 7,599.90
  4. Step 4: Simplify right side
    13,887.66x = 145,651,779.50
  5. Step 5: Solve for x
    x = 145,651,779.50/13,887.66
  6. Step 6: Final answer
    x = 10,487.86

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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.