Home / 14,284.40-21,426.60-9,910.40

Finding the Fourth Proportional to 14,284.40, 21,426.60 and 9,910.40

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Solution

The fourth proportional to 14,284.40, 21,426.60 and 9,910.40 is: 14,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,284.40 : 21,426.60 = 9,910.40 : x
  2. Step 2: Convert to fraction form
    14,284.40/21,426.60 = 9,910.40/x
  3. Step 3: Cross multiply
    14,284.40x = 21,426.60 × 9,910.40
  4. Step 4: Simplify right side
    14,284.40x = 212,346,176.64
  5. Step 5: Solve for x
    x = 212,346,176.64/14,284.40
  6. Step 6: Final answer
    x = 14,865.60

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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.