Home / 11,290.05-16,937.78-4,712.58

Finding the Fourth Proportional to 11,290.05, 16,937.78 and 4,712.58

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Solution

The fourth proportional to 11,290.05, 16,937.78 and 4,712.58 is: 7,070.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.05 : 16,937.78 = 4,712.58 : x
  2. Step 2: Convert to fraction form
    11,290.05/16,937.78 = 4,712.58/x
  3. Step 3: Cross multiply
    11,290.05x = 16,937.78 × 4,712.58
  4. Step 4: Simplify right side
    11,290.05x = 79,820,619.71
  5. Step 5: Solve for x
    x = 79,820,619.71/11,290.05
  6. Step 6: Final answer
    x = 7,070.00

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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.