Home / 13,885.88-19,162.84-7,598.28

Finding the Fourth Proportional to 13,885.88, 19,162.84 and 7,598.28

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Solution

The fourth proportional to 13,885.88, 19,162.84 and 7,598.28 is: 10,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885.88 : 19,162.84 = 7,598.28 : x
  2. Step 2: Convert to fraction form
    13,885.88/19,162.84 = 7,598.28/x
  3. Step 3: Cross multiply
    13,885.88x = 19,162.84 × 7,598.28
  4. Step 4: Simplify right side
    13,885.88x = 145,604,623.92
  5. Step 5: Solve for x
    x = 145,604,623.92/13,885.88
  6. Step 6: Final answer
    x = 10,485.80

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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.