Home / 14,058.40-21,086.40-3,670.24

Finding the Fourth Proportional to 14,058.40, 21,086.40 and 3,670.24

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Solution

The fourth proportional to 14,058.40, 21,086.40 and 3,670.24 is: 5,505.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,058.40 : 21,086.40 = 3,670.24 : x
  2. Step 2: Convert to fraction form
    14,058.40/21,086.40 = 3,670.24/x
  3. Step 3: Cross multiply
    14,058.40x = 21,086.40 × 3,670.24
  4. Step 4: Simplify right side
    14,058.40x = 77,392,148.74
  5. Step 5: Solve for x
    x = 77,392,148.74/14,058.40
  6. Step 6: Final answer
    x = 5,505.05

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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.