Home / 13,207.10-19,811.52-4,886.91

Finding the Fourth Proportional to 13,207.10, 19,811.52 and 4,886.91

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Solution

The fourth proportional to 13,207.10, 19,811.52 and 4,886.91 is: 7,330.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.10 : 19,811.52 = 4,886.91 : x
  2. Step 2: Convert to fraction form
    13,207.10/19,811.52 = 4,886.91/x
  3. Step 3: Cross multiply
    13,207.10x = 19,811.52 × 4,886.91
  4. Step 4: Simplify right side
    13,207.10x = 96,817,115.20
  5. Step 5: Solve for x
    x = 96,817,115.20/13,207.10
  6. Step 6: Final answer
    x = 7,330.69

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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.