Home / 10,214.51-15,308.60-4,284.72

Finding the Fourth Proportional to 10,214.51, 15,308.60 and 4,284.72

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Solution

The fourth proportional to 10,214.51, 15,308.60 and 4,284.72 is: 6,421.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214.51 : 15,308.60 = 4,284.72 : x
  2. Step 2: Convert to fraction form
    10,214.51/15,308.60 = 4,284.72/x
  3. Step 3: Cross multiply
    10,214.51x = 15,308.60 × 4,284.72
  4. Step 4: Simplify right side
    10,214.51x = 65,593,043.17
  5. Step 5: Solve for x
    x = 65,593,043.17/10,214.51
  6. Step 6: Final answer
    x = 6,421.56

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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.