Home / 12,901.12-19,374.68-10,565.60

Finding the Fourth Proportional to 12,901.12, 19,374.68 and 10,565.60

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Solution

The fourth proportional to 12,901.12, 19,374.68 and 10,565.60 is: 15,867.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,901.12 : 19,374.68 = 10,565.60 : x
  2. Step 2: Convert to fraction form
    12,901.12/19,374.68 = 10,565.60/x
  3. Step 3: Cross multiply
    12,901.12x = 19,374.68 × 10,565.60
  4. Step 4: Simplify right side
    12,901.12x = 204,705,119.01
  5. Step 5: Solve for x
    x = 204,705,119.01/12,901.12
  6. Step 6: Final answer
    x = 15,867.24

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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.