Home / 12,435.52-18,641.76-5,506.24

Finding the Fourth Proportional to 12,435.52, 18,641.76 and 5,506.24

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Solution

The fourth proportional to 12,435.52, 18,641.76 and 5,506.24 is: 8,254.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,435.52 : 18,641.76 = 5,506.24 : x
  2. Step 2: Convert to fraction form
    12,435.52/18,641.76 = 5,506.24/x
  3. Step 3: Cross multiply
    12,435.52x = 18,641.76 × 5,506.24
  4. Step 4: Simplify right side
    12,435.52x = 102,646,004.58
  5. Step 5: Solve for x
    x = 102,646,004.58/12,435.52
  6. Step 6: Final answer
    x = 8,254.26

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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.