Home / 14,679.60-21,969.30-9,340.08

Finding the Fourth Proportional to 14,679.60, 21,969.30 and 9,340.08

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Solution

The fourth proportional to 14,679.60, 21,969.30 and 9,340.08 is: 13,978.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679.60 : 21,969.30 = 9,340.08 : x
  2. Step 2: Convert to fraction form
    14,679.60/21,969.30 = 9,340.08/x
  3. Step 3: Cross multiply
    14,679.60x = 21,969.30 × 9,340.08
  4. Step 4: Simplify right side
    14,679.60x = 205,195,019.54
  5. Step 5: Solve for x
    x = 205,195,019.54/14,679.60
  6. Step 6: Final answer
    x = 13,978.24

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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.