Home / 14,276.40-21,403.62-7,250.64

Finding the Fourth Proportional to 14,276.40, 21,403.62 and 7,250.64

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Solution

The fourth proportional to 14,276.40, 21,403.62 and 7,250.64 is: 10,870.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.40 : 21,403.62 = 7,250.64 : x
  2. Step 2: Convert to fraction form
    14,276.40/21,403.62 = 7,250.64/x
  3. Step 3: Cross multiply
    14,276.40x = 21,403.62 × 7,250.64
  4. Step 4: Simplify right side
    14,276.40x = 155,189,943.32
  5. Step 5: Solve for x
    x = 155,189,943.32/14,276.40
  6. Step 6: Final answer
    x = 10,870.38

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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.