Home / 13,200.40-19,808.30-4,886.16

Finding the Fourth Proportional to 13,200.40, 19,808.30 and 4,886.16

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Solution

The fourth proportional to 13,200.40, 19,808.30 and 4,886.16 is: 7,332.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200.40 : 19,808.30 = 4,886.16 : x
  2. Step 2: Convert to fraction form
    13,200.40/19,808.30 = 4,886.16/x
  3. Step 3: Cross multiply
    13,200.40x = 19,808.30 × 4,886.16
  4. Step 4: Simplify right side
    13,200.40x = 96,786,523.13
  5. Step 5: Solve for x
    x = 96,786,523.13/13,200.40
  6. Step 6: Final answer
    x = 7,332.09

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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.