Home / 19,178.58-28,726.33-9,297.19

Finding the Fourth Proportional to 19,178.58, 28,726.33 and 9,297.19

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Solution

The fourth proportional to 19,178.58, 28,726.33 and 9,297.19 is: 13,925.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178.58 : 28,726.33 = 9,297.19 : x
  2. Step 2: Convert to fraction form
    19,178.58/28,726.33 = 9,297.19/x
  3. Step 3: Cross multiply
    19,178.58x = 28,726.33 × 9,297.19
  4. Step 4: Simplify right side
    19,178.58x = 267,074,148.01
  5. Step 5: Solve for x
    x = 267,074,148.01/19,178.58
  6. Step 6: Final answer
    x = 13,925.65

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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.