Home / 14,356.28-19,808.88-9,320.12

Finding the Fourth Proportional to 14,356.28, 19,808.88 and 9,320.12

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Solution

The fourth proportional to 14,356.28, 19,808.88 and 9,320.12 is: 12,859.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356.28 : 19,808.88 = 9,320.12 : x
  2. Step 2: Convert to fraction form
    14,356.28/19,808.88 = 9,320.12/x
  3. Step 3: Cross multiply
    14,356.28x = 19,808.88 × 9,320.12
  4. Step 4: Simplify right side
    14,356.28x = 184,621,138.67
  5. Step 5: Solve for x
    x = 184,621,138.67/14,356.28
  6. Step 6: Final answer
    x = 12,859.96

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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.