Home / 9,429.38-13,023.48-6,280.10

Finding the Fourth Proportional to 9,429.38, 13,023.48 and 6,280.10

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Solution

The fourth proportional to 9,429.38, 13,023.48 and 6,280.10 is: 8,673.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.38 : 13,023.48 = 6,280.10 : x
  2. Step 2: Convert to fraction form
    9,429.38/13,023.48 = 6,280.10/x
  3. Step 3: Cross multiply
    9,429.38x = 13,023.48 × 6,280.10
  4. Step 4: Simplify right side
    9,429.38x = 81,788,756.75
  5. Step 5: Solve for x
    x = 81,788,756.75/9,429.38
  6. Step 6: Final answer
    x = 8,673.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.