Home / 21,457.64-32,195.35-11,585.32

Finding the Fourth Proportional to 21,457.64, 32,195.35 and 11,585.32

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Solution

The fourth proportional to 21,457.64, 32,195.35 and 11,585.32 is: 17,382.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,457.64 : 32,195.35 = 11,585.32 : x
  2. Step 2: Convert to fraction form
    21,457.64/32,195.35 = 11,585.32/x
  3. Step 3: Cross multiply
    21,457.64x = 32,195.35 × 11,585.32
  4. Step 4: Simplify right side
    21,457.64x = 372,993,242.32
  5. Step 5: Solve for x
    x = 372,993,242.32/21,457.64
  6. Step 6: Final answer
    x = 17,382.77

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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.