Home / 14,699.13-20,285.04-7,984.77

Finding the Fourth Proportional to 14,699.13, 20,285.04 and 7,984.77

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Solution

The fourth proportional to 14,699.13, 20,285.04 and 7,984.77 is: 11,019.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,699.13 : 20,285.04 = 7,984.77 : x
  2. Step 2: Convert to fraction form
    14,699.13/20,285.04 = 7,984.77/x
  3. Step 3: Cross multiply
    14,699.13x = 20,285.04 × 7,984.77
  4. Step 4: Simplify right side
    14,699.13x = 161,971,378.84
  5. Step 5: Solve for x
    x = 161,971,378.84/14,699.13
  6. Step 6: Final answer
    x = 11,019.11

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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.