Home / 14,555.60-21,811.80-12,352.40

Finding the Fourth Proportional to 14,555.60, 21,811.80 and 12,352.40

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Solution

The fourth proportional to 14,555.60, 21,811.80 and 12,352.40 is: 18,510.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,555.60 : 21,811.80 = 12,352.40 : x
  2. Step 2: Convert to fraction form
    14,555.60/21,811.80 = 12,352.40/x
  3. Step 3: Cross multiply
    14,555.60x = 21,811.80 × 12,352.40
  4. Step 4: Simplify right side
    14,555.60x = 269,428,078.32
  5. Step 5: Solve for x
    x = 269,428,078.32/14,555.60
  6. Step 6: Final answer
    x = 18,510.27

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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.