Home / 14,309.04-21,470.88-6,919.84

Finding the Fourth Proportional to 14,309.04, 21,470.88 and 6,919.84

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Solution

The fourth proportional to 14,309.04, 21,470.88 and 6,919.84 is: 10,383.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,309.04 : 21,470.88 = 6,919.84 : x
  2. Step 2: Convert to fraction form
    14,309.04/21,470.88 = 6,919.84/x
  3. Step 3: Cross multiply
    14,309.04x = 21,470.88 × 6,919.84
  4. Step 4: Simplify right side
    14,309.04x = 148,575,054.26
  5. Step 5: Solve for x
    x = 148,575,054.26/14,309.04
  6. Step 6: Final answer
    x = 10,383.30

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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.