Home / 21,500.81-32,248.77-7,458.24

Finding the Fourth Proportional to 21,500.81, 32,248.77 and 7,458.24

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Solution

The fourth proportional to 21,500.81, 32,248.77 and 7,458.24 is: 11,186.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,500.81 : 32,248.77 = 7,458.24 : x
  2. Step 2: Convert to fraction form
    21,500.81/32,248.77 = 7,458.24/x
  3. Step 3: Cross multiply
    21,500.81x = 32,248.77 × 7,458.24
  4. Step 4: Simplify right side
    21,500.81x = 240,519,066.36
  5. Step 5: Solve for x
    x = 240,519,066.36/21,500.81
  6. Step 6: Final answer
    x = 11,186.51

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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.