Home / 19,120.60-28,681.74-5,973.22

Finding the Fourth Proportional to 19,120.60, 28,681.74 and 5,973.22

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Solution

The fourth proportional to 19,120.60, 28,681.74 and 5,973.22 is: 8,960.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.60 : 28,681.74 = 5,973.22 : x
  2. Step 2: Convert to fraction form
    19,120.60/28,681.74 = 5,973.22/x
  3. Step 3: Cross multiply
    19,120.60x = 28,681.74 × 5,973.22
  4. Step 4: Simplify right side
    19,120.60x = 171,322,343.00
  5. Step 5: Solve for x
    x = 171,322,343.00/19,120.60
  6. Step 6: Final answer
    x = 8,960.09

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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.