Home / 13,980.58-20,952.22-5,206.66

Finding the Fourth Proportional to 13,980.58, 20,952.22 and 5,206.66

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Solution

The fourth proportional to 13,980.58, 20,952.22 and 5,206.66 is: 7,803.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980.58 : 20,952.22 = 5,206.66 : x
  2. Step 2: Convert to fraction form
    13,980.58/20,952.22 = 5,206.66/x
  3. Step 3: Cross multiply
    13,980.58x = 20,952.22 × 5,206.66
  4. Step 4: Simplify right side
    13,980.58x = 109,091,085.79
  5. Step 5: Solve for x
    x = 109,091,085.79/13,980.58
  6. Step 6: Final answer
    x = 7,803.04

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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.