Home / 12,347.47-18,519.27-4,554.46

Finding the Fourth Proportional to 12,347.47, 18,519.27 and 4,554.46

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Solution

The fourth proportional to 12,347.47, 18,519.27 and 4,554.46 is: 6,830.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347.47 : 18,519.27 = 4,554.46 : x
  2. Step 2: Convert to fraction form
    12,347.47/18,519.27 = 4,554.46/x
  3. Step 3: Cross multiply
    12,347.47x = 18,519.27 × 4,554.46
  4. Step 4: Simplify right side
    12,347.47x = 84,345,274.44
  5. Step 5: Solve for x
    x = 84,345,274.44/12,347.47
  6. Step 6: Final answer
    x = 6,830.98

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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.