Home / 10,723.96-14,720.15-9,518.68

Finding the Fourth Proportional to 10,723.96, 14,720.15 and 9,518.68

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Solution

The fourth proportional to 10,723.96, 14,720.15 and 9,518.68 is: 13,065.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,723.96 : 14,720.15 = 9,518.68 : x
  2. Step 2: Convert to fraction form
    10,723.96/14,720.15 = 9,518.68/x
  3. Step 3: Cross multiply
    10,723.96x = 14,720.15 × 9,518.68
  4. Step 4: Simplify right side
    10,723.96x = 140,116,397.40
  5. Step 5: Solve for x
    x = 140,116,397.40/10,723.96
  6. Step 6: Final answer
    x = 13,065.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.