Home / 10,282.10-15,430.35-4,442.90

Finding the Fourth Proportional to 10,282.10, 15,430.35 and 4,442.90

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Solution

The fourth proportional to 10,282.10, 15,430.35 and 4,442.90 is: 6,667.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.10 : 15,430.35 = 4,442.90 : x
  2. Step 2: Convert to fraction form
    10,282.10/15,430.35 = 4,442.90/x
  3. Step 3: Cross multiply
    10,282.10x = 15,430.35 × 4,442.90
  4. Step 4: Simplify right side
    10,282.10x = 68,555,502.02
  5. Step 5: Solve for x
    x = 68,555,502.02/10,282.10
  6. Step 6: Final answer
    x = 6,667.46

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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.