Home / 12,347.83-18,508.38-4,948.48

Finding the Fourth Proportional to 12,347.83, 18,508.38 and 4,948.48

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Solution

The fourth proportional to 12,347.83, 18,508.38 and 4,948.48 is: 7,417.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347.83 : 18,508.38 = 4,948.48 : x
  2. Step 2: Convert to fraction form
    12,347.83/18,508.38 = 4,948.48/x
  3. Step 3: Cross multiply
    12,347.83x = 18,508.38 × 4,948.48
  4. Step 4: Simplify right side
    12,347.83x = 91,588,348.26
  5. Step 5: Solve for x
    x = 91,588,348.26/12,347.83
  6. Step 6: Final answer
    x = 7,417.36

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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.