Home / 13,887.19-19,163.58-7,598.35

Finding the Fourth Proportional to 13,887.19, 19,163.58 and 7,598.35

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Solution

The fourth proportional to 13,887.19, 19,163.58 and 7,598.35 is: 10,485.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887.19 : 19,163.58 = 7,598.35 : x
  2. Step 2: Convert to fraction form
    13,887.19/19,163.58 = 7,598.35/x
  3. Step 3: Cross multiply
    13,887.19x = 19,163.58 × 7,598.35
  4. Step 4: Simplify right side
    13,887.19x = 145,611,492.28
  5. Step 5: Solve for x
    x = 145,611,492.28/13,887.19
  6. Step 6: Final answer
    x = 10,485.31

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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.