Home / 12,712.95-19,070.24-4,393.71

Finding the Fourth Proportional to 12,712.95, 19,070.24 and 4,393.71

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Solution

The fourth proportional to 12,712.95, 19,070.24 and 4,393.71 is: 6,590.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,712.95 : 19,070.24 = 4,393.71 : x
  2. Step 2: Convert to fraction form
    12,712.95/19,070.24 = 4,393.71/x
  3. Step 3: Cross multiply
    12,712.95x = 19,070.24 × 4,393.71
  4. Step 4: Simplify right side
    12,712.95x = 83,789,082.22
  5. Step 5: Solve for x
    x = 83,789,082.22/12,712.95
  6. Step 6: Final answer
    x = 6,590.84

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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.