Home / 12,958.10-19,437.15-5,561.30

Finding the Fourth Proportional to 12,958.10, 19,437.15 and 5,561.30

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Solution

The fourth proportional to 12,958.10, 19,437.15 and 5,561.30 is: 8,341.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,958.10 : 19,437.15 = 5,561.30 : x
  2. Step 2: Convert to fraction form
    12,958.10/19,437.15 = 5,561.30/x
  3. Step 3: Cross multiply
    12,958.10x = 19,437.15 × 5,561.30
  4. Step 4: Simplify right side
    12,958.10x = 108,095,822.30
  5. Step 5: Solve for x
    x = 108,095,822.30/12,958.10
  6. Step 6: Final answer
    x = 8,341.95

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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.