Home / 15,326.06-21,152.26-9,361.16

Finding the Fourth Proportional to 15,326.06, 21,152.26 and 9,361.16

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Solution

The fourth proportional to 15,326.06, 21,152.26 and 9,361.16 is: 12,919.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,326.06 : 21,152.26 = 9,361.16 : x
  2. Step 2: Convert to fraction form
    15,326.06/21,152.26 = 9,361.16/x
  3. Step 3: Cross multiply
    15,326.06x = 21,152.26 × 9,361.16
  4. Step 4: Simplify right side
    15,326.06x = 198,009,690.22
  5. Step 5: Solve for x
    x = 198,009,690.22/15,326.06
  6. Step 6: Final answer
    x = 12,919.80

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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.