Home / 12,384.02-18,549.74-9,738.97

Finding the Fourth Proportional to 12,384.02, 18,549.74 and 9,738.97

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Solution

The fourth proportional to 12,384.02, 18,549.74 and 9,738.97 is: 14,587.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384.02 : 18,549.74 = 9,738.97 : x
  2. Step 2: Convert to fraction form
    12,384.02/18,549.74 = 9,738.97/x
  3. Step 3: Cross multiply
    12,384.02x = 18,549.74 × 9,738.97
  4. Step 4: Simplify right side
    12,384.02x = 180,655,339.34
  5. Step 5: Solve for x
    x = 180,655,339.34/12,384.02
  6. Step 6: Final answer
    x = 14,587.78

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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.