Home / 19,442.30-26,830.32-11,058.80

Finding the Fourth Proportional to 19,442.30, 26,830.32 and 11,058.80

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Solution

The fourth proportional to 19,442.30, 26,830.32 and 11,058.80 is: 15,261.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,442.30 : 26,830.32 = 11,058.80 : x
  2. Step 2: Convert to fraction form
    19,442.30/26,830.32 = 11,058.80/x
  3. Step 3: Cross multiply
    19,442.30x = 26,830.32 × 11,058.80
  4. Step 4: Simplify right side
    19,442.30x = 296,711,142.82
  5. Step 5: Solve for x
    x = 296,711,142.82/19,442.30
  6. Step 6: Final answer
    x = 15,261.11

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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.