Home / 14,431.04-21,630.72-9,427.24

Finding the Fourth Proportional to 14,431.04, 21,630.72 and 9,427.24

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Solution

The fourth proportional to 14,431.04, 21,630.72 and 9,427.24 is: 14,130.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,431.04 : 21,630.72 = 9,427.24 : x
  2. Step 2: Convert to fraction form
    14,431.04/21,630.72 = 9,427.24/x
  3. Step 3: Cross multiply
    14,431.04x = 21,630.72 × 9,427.24
  4. Step 4: Simplify right side
    14,431.04x = 203,917,988.81
  5. Step 5: Solve for x
    x = 203,917,988.81/14,431.04
  6. Step 6: Final answer
    x = 14,130.51

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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.