Home / 10,276.10-15,421.35-4,436.90

Finding the Fourth Proportional to 10,276.10, 15,421.35 and 4,436.90

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Solution

The fourth proportional to 10,276.10, 15,421.35 and 4,436.90 is: 6,658.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.10 : 15,421.35 = 4,436.90 : x
  2. Step 2: Convert to fraction form
    10,276.10/15,421.35 = 4,436.90/x
  3. Step 3: Cross multiply
    10,276.10x = 15,421.35 × 4,436.90
  4. Step 4: Simplify right side
    10,276.10x = 68,422,987.82
  5. Step 5: Solve for x
    x = 68,422,987.82/10,276.10
  6. Step 6: Final answer
    x = 6,658.46

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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.