Home / 13,218.80-19,827.18-4,894.92

Finding the Fourth Proportional to 13,218.80, 19,827.18 and 4,894.92

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Solution

The fourth proportional to 13,218.80, 19,827.18 and 4,894.92 is: 7,342.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,218.80 : 19,827.18 = 4,894.92 : x
  2. Step 2: Convert to fraction form
    13,218.80/19,827.18 = 4,894.92/x
  3. Step 3: Cross multiply
    13,218.80x = 19,827.18 × 4,894.92
  4. Step 4: Simplify right side
    13,218.80x = 97,052,459.93
  5. Step 5: Solve for x
    x = 97,052,459.93/13,218.80
  6. Step 6: Final answer
    x = 7,342.01

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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.