Home / 15,543.99-23,321.70-9,705.51

Finding the Fourth Proportional to 15,543.99, 23,321.70 and 9,705.51

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Solution

The fourth proportional to 15,543.99, 23,321.70 and 9,705.51 is: 14,561.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,543.99 : 23,321.70 = 9,705.51 : x
  2. Step 2: Convert to fraction form
    15,543.99/23,321.70 = 9,705.51/x
  3. Step 3: Cross multiply
    15,543.99x = 23,321.70 × 9,705.51
  4. Step 4: Simplify right side
    15,543.99x = 226,348,992.57
  5. Step 5: Solve for x
    x = 226,348,992.57/15,543.99
  6. Step 6: Final answer
    x = 14,561.83

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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.