Home / 10,809.62-16,206.53-7,290.87

Finding the Fourth Proportional to 10,809.62, 16,206.53 and 7,290.87

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Solution

The fourth proportional to 10,809.62, 16,206.53 and 7,290.87 is: 10,930.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.62 : 16,206.53 = 7,290.87 : x
  2. Step 2: Convert to fraction form
    10,809.62/16,206.53 = 7,290.87/x
  3. Step 3: Cross multiply
    10,809.62x = 16,206.53 × 7,290.87
  4. Step 4: Simplify right side
    10,809.62x = 118,159,666.93
  5. Step 5: Solve for x
    x = 118,159,666.93/10,809.62
  6. Step 6: Final answer
    x = 10,930.98

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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.