Home / 15,626.25-21,565.35-10,311.84

Finding the Fourth Proportional to 15,626.25, 21,565.35 and 10,311.84

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Solution

The fourth proportional to 15,626.25, 21,565.35 and 10,311.84 is: 14,231.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,626.25 : 21,565.35 = 10,311.84 : x
  2. Step 2: Convert to fraction form
    15,626.25/21,565.35 = 10,311.84/x
  3. Step 3: Cross multiply
    15,626.25x = 21,565.35 × 10,311.84
  4. Step 4: Simplify right side
    15,626.25x = 222,378,438.74
  5. Step 5: Solve for x
    x = 222,378,438.74/15,626.25
  6. Step 6: Final answer
    x = 14,231.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.