Home / 14,058.60-21,087.90-3,670.35

Finding the Fourth Proportional to 14,058.60, 21,087.90 and 3,670.35

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Solution

The fourth proportional to 14,058.60, 21,087.90 and 3,670.35 is: 5,505.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,058.60 : 21,087.90 = 3,670.35 : x
  2. Step 2: Convert to fraction form
    14,058.60/21,087.90 = 3,670.35/x
  3. Step 3: Cross multiply
    14,058.60x = 21,087.90 × 3,670.35
  4. Step 4: Simplify right side
    14,058.60x = 77,399,973.77
  5. Step 5: Solve for x
    x = 77,399,973.77/14,058.60
  6. Step 6: Final answer
    x = 5,505.53

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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.