Home / 18,220.74-27,312.84-6,365.31

Finding the Fourth Proportional to 18,220.74, 27,312.84 and 6,365.31

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Solution

The fourth proportional to 18,220.74, 27,312.84 and 6,365.31 is: 9,541.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.74 : 27,312.84 = 6,365.31 : x
  2. Step 2: Convert to fraction form
    18,220.74/27,312.84 = 6,365.31/x
  3. Step 3: Cross multiply
    18,220.74x = 27,312.84 × 6,365.31
  4. Step 4: Simplify right side
    18,220.74x = 173,854,693.58
  5. Step 5: Solve for x
    x = 173,854,693.58/18,220.74
  6. Step 6: Final answer
    x = 9,541.58

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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.