Home / 19,325.47-28,981.37-9,192.65

Finding the Fourth Proportional to 19,325.47, 28,981.37 and 9,192.65

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Solution

The fourth proportional to 19,325.47, 28,981.37 and 9,192.65 is: 13,785.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,325.47 : 28,981.37 = 9,192.65 : x
  2. Step 2: Convert to fraction form
    19,325.47/28,981.37 = 9,192.65/x
  3. Step 3: Cross multiply
    19,325.47x = 28,981.37 × 9,192.65
  4. Step 4: Simplify right side
    19,325.47x = 266,415,590.93
  5. Step 5: Solve for x
    x = 266,415,590.93/19,325.47
  6. Step 6: Final answer
    x = 13,785.72

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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.