Home / 12,891.80-19,332.24-4,573.91

Finding the Fourth Proportional to 12,891.80, 19,332.24 and 4,573.91

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Solution

The fourth proportional to 12,891.80, 19,332.24 and 4,573.91 is: 6,858.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,891.80 : 19,332.24 = 4,573.91 : x
  2. Step 2: Convert to fraction form
    12,891.80/19,332.24 = 4,573.91/x
  3. Step 3: Cross multiply
    12,891.80x = 19,332.24 × 4,573.91
  4. Step 4: Simplify right side
    12,891.80x = 88,423,925.86
  5. Step 5: Solve for x
    x = 88,423,925.86/12,891.80
  6. Step 6: Final answer
    x = 6,858.93

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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.