Home / 11,412.16-15,739.20-9,050.56

Finding the Fourth Proportional to 11,412.16, 15,739.20 and 9,050.56

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Solution

The fourth proportional to 11,412.16, 15,739.20 and 9,050.56 is: 12,482.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,412.16 : 15,739.20 = 9,050.56 : x
  2. Step 2: Convert to fraction form
    11,412.16/15,739.20 = 9,050.56/x
  3. Step 3: Cross multiply
    11,412.16x = 15,739.20 × 9,050.56
  4. Step 4: Simplify right side
    11,412.16x = 142,448,573.95
  5. Step 5: Solve for x
    x = 142,448,573.95/11,412.16
  6. Step 6: Final answer
    x = 12,482.17

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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.