Home / 12,257.02-18,369.13-4,458.46

Finding the Fourth Proportional to 12,257.02, 18,369.13 and 4,458.46

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Solution

The fourth proportional to 12,257.02, 18,369.13 and 4,458.46 is: 6,681.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,257.02 : 18,369.13 = 4,458.46 : x
  2. Step 2: Convert to fraction form
    12,257.02/18,369.13 = 4,458.46/x
  3. Step 3: Cross multiply
    12,257.02x = 18,369.13 × 4,458.46
  4. Step 4: Simplify right side
    12,257.02x = 81,898,031.34
  5. Step 5: Solve for x
    x = 81,898,031.34/12,257.02
  6. Step 6: Final answer
    x = 6,681.72

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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.