Home / 12,550.19-18,827.69-5,979.47

Finding the Fourth Proportional to 12,550.19, 18,827.69 and 5,979.47

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Solution

The fourth proportional to 12,550.19, 18,827.69 and 5,979.47 is: 8,970.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.19 : 18,827.69 = 5,979.47 : x
  2. Step 2: Convert to fraction form
    12,550.19/18,827.69 = 5,979.47/x
  3. Step 3: Cross multiply
    12,550.19x = 18,827.69 × 5,979.47
  4. Step 4: Simplify right side
    12,550.19x = 112,579,607.52
  5. Step 5: Solve for x
    x = 112,579,607.52/12,550.19
  6. Step 6: Final answer
    x = 8,970.35

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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.