Home / 14,216.16-21,327.12-9,320.16

Finding the Fourth Proportional to 14,216.16, 21,327.12 and 9,320.16

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Solution

The fourth proportional to 14,216.16, 21,327.12 and 9,320.16 is: 13,982.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,216.16 : 21,327.12 = 9,320.16 : x
  2. Step 2: Convert to fraction form
    14,216.16/21,327.12 = 9,320.16/x
  3. Step 3: Cross multiply
    14,216.16x = 21,327.12 × 9,320.16
  4. Step 4: Simplify right side
    14,216.16x = 198,772,170.74
  5. Step 5: Solve for x
    x = 198,772,170.74/14,216.16
  6. Step 6: Final answer
    x = 13,982.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.