Home / 19,122.64-28,681.80-5,975.44

Finding the Fourth Proportional to 19,122.64, 28,681.80 and 5,975.44

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Solution

The fourth proportional to 19,122.64, 28,681.80 and 5,975.44 is: 8,962.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.64 : 28,681.80 = 5,975.44 : x
  2. Step 2: Convert to fraction form
    19,122.64/28,681.80 = 5,975.44/x
  3. Step 3: Cross multiply
    19,122.64x = 28,681.80 × 5,975.44
  4. Step 4: Simplify right side
    19,122.64x = 171,386,374.99
  5. Step 5: Solve for x
    x = 171,386,374.99/19,122.64
  6. Step 6: Final answer
    x = 8,962.49

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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.