Home / 13,887.12-19,164-7,599.36

Finding the Fourth Proportional to 13,887.12, 19,164 and 7,599.36

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Solution

The fourth proportional to 13,887.12, 19,164 and 7,599.36 is: 10,486.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887.12 : 19,164 = 7,599.36 : x
  2. Step 2: Convert to fraction form
    13,887.12/19,164 = 7,599.36/x
  3. Step 3: Cross multiply
    13,887.12x = 19,164 × 7,599.36
  4. Step 4: Simplify right side
    13,887.12x = 145,634,135.04
  5. Step 5: Solve for x
    x = 145,634,135.04/13,887.12
  6. Step 6: Final answer
    x = 10,486.99

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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.