Home / 14,264.48-21,393.84-9,921.44

Finding the Fourth Proportional to 14,264.48, 21,393.84 and 9,921.44

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Solution

The fourth proportional to 14,264.48, 21,393.84 and 9,921.44 is: 14,880.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,264.48 : 21,393.84 = 9,921.44 : x
  2. Step 2: Convert to fraction form
    14,264.48/21,393.84 = 9,921.44/x
  3. Step 3: Cross multiply
    14,264.48x = 21,393.84 × 9,921.44
  4. Step 4: Simplify right side
    14,264.48x = 212,257,699.93
  5. Step 5: Solve for x
    x = 212,257,699.93/14,264.48
  6. Step 6: Final answer
    x = 14,880.16

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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.