Home / 14,330.93-21,457.51-7,390.85

Finding the Fourth Proportional to 14,330.93, 21,457.51 and 7,390.85

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Solution

The fourth proportional to 14,330.93, 21,457.51 and 7,390.85 is: 11,066.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,330.93 : 21,457.51 = 7,390.85 : x
  2. Step 2: Convert to fraction form
    14,330.93/21,457.51 = 7,390.85/x
  3. Step 3: Cross multiply
    14,330.93x = 21,457.51 × 7,390.85
  4. Step 4: Simplify right side
    14,330.93x = 158,589,112.02
  5. Step 5: Solve for x
    x = 158,589,112.02/14,330.93
  6. Step 6: Final answer
    x = 11,066.22

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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.