Home / 12,291.48-18,429.34-5,276.08

Finding the Fourth Proportional to 12,291.48, 18,429.34 and 5,276.08

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Solution

The fourth proportional to 12,291.48, 18,429.34 and 5,276.08 is: 7,910.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291.48 : 18,429.34 = 5,276.08 : x
  2. Step 2: Convert to fraction form
    12,291.48/18,429.34 = 5,276.08/x
  3. Step 3: Cross multiply
    12,291.48x = 18,429.34 × 5,276.08
  4. Step 4: Simplify right side
    12,291.48x = 97,234,672.19
  5. Step 5: Solve for x
    x = 97,234,672.19/12,291.48
  6. Step 6: Final answer
    x = 7,910.74

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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.