Home / 21,457.68-32,195.77-11,603.90

Finding the Fourth Proportional to 21,457.68, 32,195.77 and 11,603.90

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Solution

The fourth proportional to 21,457.68, 32,195.77 and 11,603.90 is: 17,410.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,457.68 : 32,195.77 = 11,603.90 : x
  2. Step 2: Convert to fraction form
    21,457.68/32,195.77 = 11,603.90/x
  3. Step 3: Cross multiply
    21,457.68x = 32,195.77 × 11,603.90
  4. Step 4: Simplify right side
    21,457.68x = 373,596,305.51
  5. Step 5: Solve for x
    x = 373,596,305.51/21,457.68
  6. Step 6: Final answer
    x = 17,410.84

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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.