Home / 14,332.88-21,503.16-6,539.60

Finding the Fourth Proportional to 14,332.88, 21,503.16 and 6,539.60

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Solution

The fourth proportional to 14,332.88, 21,503.16 and 6,539.60 is: 9,811.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,332.88 : 21,503.16 = 6,539.60 : x
  2. Step 2: Convert to fraction form
    14,332.88/21,503.16 = 6,539.60/x
  3. Step 3: Cross multiply
    14,332.88x = 21,503.16 × 6,539.60
  4. Step 4: Simplify right side
    14,332.88x = 140,622,065.14
  5. Step 5: Solve for x
    x = 140,622,065.14/14,332.88
  6. Step 6: Final answer
    x = 9,811.15

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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.