Home / 13,011.04-19,516.80-4,691.68

Finding the Fourth Proportional to 13,011.04, 19,516.80 and 4,691.68

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Solution

The fourth proportional to 13,011.04, 19,516.80 and 4,691.68 is: 7,037.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.04 : 19,516.80 = 4,691.68 : x
  2. Step 2: Convert to fraction form
    13,011.04/19,516.80 = 4,691.68/x
  3. Step 3: Cross multiply
    13,011.04x = 19,516.80 × 4,691.68
  4. Step 4: Simplify right side
    13,011.04x = 91,566,580.22
  5. Step 5: Solve for x
    x = 91,566,580.22/13,011.04
  6. Step 6: Final answer
    x = 7,037.61

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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.