Home / 12,635.02-17,442.26-7,328.80

Finding the Fourth Proportional to 12,635.02, 17,442.26 and 7,328.80

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Solution

The fourth proportional to 12,635.02, 17,442.26 and 7,328.80 is: 10,117.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.02 : 17,442.26 = 7,328.80 : x
  2. Step 2: Convert to fraction form
    12,635.02/17,442.26 = 7,328.80/x
  3. Step 3: Cross multiply
    12,635.02x = 17,442.26 × 7,328.80
  4. Step 4: Simplify right side
    12,635.02x = 127,830,835.09
  5. Step 5: Solve for x
    x = 127,830,835.09/12,635.02
  6. Step 6: Final answer
    x = 10,117.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.