Home / 15,565.40-21,454.44-11,022.12

Finding the Fourth Proportional to 15,565.40, 21,454.44 and 11,022.12

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Solution

The fourth proportional to 15,565.40, 21,454.44 and 11,022.12 is: 15,192.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,565.40 : 21,454.44 = 11,022.12 : x
  2. Step 2: Convert to fraction form
    15,565.40/21,454.44 = 11,022.12/x
  3. Step 3: Cross multiply
    15,565.40x = 21,454.44 × 11,022.12
  4. Step 4: Simplify right side
    15,565.40x = 236,473,412.21
  5. Step 5: Solve for x
    x = 236,473,412.21/15,565.40
  6. Step 6: Final answer
    x = 15,192.25

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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.