Home / 14,317.72-19,756.16-9,288.84

Finding the Fourth Proportional to 14,317.72, 19,756.16 and 9,288.84

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Solution

The fourth proportional to 14,317.72, 19,756.16 and 9,288.84 is: 12,817.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,317.72 : 19,756.16 = 9,288.84 : x
  2. Step 2: Convert to fraction form
    14,317.72/19,756.16 = 9,288.84/x
  3. Step 3: Cross multiply
    14,317.72x = 19,756.16 × 9,288.84
  4. Step 4: Simplify right side
    14,317.72x = 183,511,809.25
  5. Step 5: Solve for x
    x = 183,511,809.25/14,317.72
  6. Step 6: Final answer
    x = 12,817.11

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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.