Home / 14,090.40-21,116.16-10,623.84

Finding the Fourth Proportional to 14,090.40, 21,116.16 and 10,623.84

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Solution

The fourth proportional to 14,090.40, 21,116.16 and 10,623.84 is: 15,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.40 : 21,116.16 = 10,623.84 : x
  2. Step 2: Convert to fraction form
    14,090.40/21,116.16 = 10,623.84/x
  3. Step 3: Cross multiply
    14,090.40x = 21,116.16 × 10,623.84
  4. Step 4: Simplify right side
    14,090.40x = 224,334,705.25
  5. Step 5: Solve for x
    x = 224,334,705.25/14,090.40
  6. Step 6: Final answer
    x = 15,921.10

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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.