Home / 12,318.53-16,997.06-7,011.95

Finding the Fourth Proportional to 12,318.53, 16,997.06 and 7,011.95

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Solution

The fourth proportional to 12,318.53, 16,997.06 and 7,011.95 is: 9,675.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318.53 : 16,997.06 = 7,011.95 : x
  2. Step 2: Convert to fraction form
    12,318.53/16,997.06 = 7,011.95/x
  3. Step 3: Cross multiply
    12,318.53x = 16,997.06 × 7,011.95
  4. Step 4: Simplify right side
    12,318.53x = 119,182,499.81
  5. Step 5: Solve for x
    x = 119,182,499.81/12,318.53
  6. Step 6: Final answer
    x = 9,675.06

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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.