Home / 11,318.93-16,980.01-3,528.35

Finding the Fourth Proportional to 11,318.93, 16,980.01 and 3,528.35

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Solution

The fourth proportional to 11,318.93, 16,980.01 and 3,528.35 is: 5,293.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.93 : 16,980.01 = 3,528.35 : x
  2. Step 2: Convert to fraction form
    11,318.93/16,980.01 = 3,528.35/x
  3. Step 3: Cross multiply
    11,318.93x = 16,980.01 × 3,528.35
  4. Step 4: Simplify right side
    11,318.93x = 59,911,315.74
  5. Step 5: Solve for x
    x = 59,911,315.74/11,318.93
  6. Step 6: Final answer
    x = 5,293.02

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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.