Home / 13,984.96-19,281.32-11,457.76

Finding the Fourth Proportional to 13,984.96, 19,281.32 and 11,457.76

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Solution

The fourth proportional to 13,984.96, 19,281.32 and 11,457.76 is: 15,797.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984.96 : 19,281.32 = 11,457.76 : x
  2. Step 2: Convert to fraction form
    13,984.96/19,281.32 = 11,457.76/x
  3. Step 3: Cross multiply
    13,984.96x = 19,281.32 × 11,457.76
  4. Step 4: Simplify right side
    13,984.96x = 220,920,737.04
  5. Step 5: Solve for x
    x = 220,920,737.04/13,984.96
  6. Step 6: Final answer
    x = 15,797.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.