Home / 15,450.40-23,161.74-5,587.36

Finding the Fourth Proportional to 15,450.40, 23,161.74 and 5,587.36

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Solution

The fourth proportional to 15,450.40, 23,161.74 and 5,587.36 is: 8,376.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,450.40 : 23,161.74 = 5,587.36 : x
  2. Step 2: Convert to fraction form
    15,450.40/23,161.74 = 5,587.36/x
  3. Step 3: Cross multiply
    15,450.40x = 23,161.74 × 5,587.36
  4. Step 4: Simplify right side
    15,450.40x = 129,412,979.61
  5. Step 5: Solve for x
    x = 129,412,979.61/15,450.40
  6. Step 6: Final answer
    x = 8,376.03

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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.