Home / 14,351.71-19,809.27-9,315.64

Finding the Fourth Proportional to 14,351.71, 19,809.27 and 9,315.64

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Solution

The fourth proportional to 14,351.71, 19,809.27 and 9,315.64 is: 12,858.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,351.71 : 19,809.27 = 9,315.64 : x
  2. Step 2: Convert to fraction form
    14,351.71/19,809.27 = 9,315.64/x
  3. Step 3: Cross multiply
    14,351.71x = 19,809.27 × 9,315.64
  4. Step 4: Simplify right side
    14,351.71x = 184,536,027.98
  5. Step 5: Solve for x
    x = 184,536,027.98/14,351.71
  6. Step 6: Final answer
    x = 12,858.12

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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.