Home / 12,220.02-18,328.59-9,623.70

Finding the Fourth Proportional to 12,220.02, 18,328.59 and 9,623.70

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Solution

The fourth proportional to 12,220.02, 18,328.59 and 9,623.70 is: 14,434.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,220.02 : 18,328.59 = 9,623.70 : x
  2. Step 2: Convert to fraction form
    12,220.02/18,328.59 = 9,623.70/x
  3. Step 3: Cross multiply
    12,220.02x = 18,328.59 × 9,623.70
  4. Step 4: Simplify right side
    12,220.02x = 176,388,851.58
  5. Step 5: Solve for x
    x = 176,388,851.58/12,220.02
  6. Step 6: Final answer
    x = 14,434.42

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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.