Home / 14,637.20-21,955.80-9,388.40

Finding the Fourth Proportional to 14,637.20, 21,955.80 and 9,388.40

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Solution

The fourth proportional to 14,637.20, 21,955.80 and 9,388.40 is: 14,082.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,637.20 : 21,955.80 = 9,388.40 : x
  2. Step 2: Convert to fraction form
    14,637.20/21,955.80 = 9,388.40/x
  3. Step 3: Cross multiply
    14,637.20x = 21,955.80 × 9,388.40
  4. Step 4: Simplify right side
    14,637.20x = 206,129,832.72
  5. Step 5: Solve for x
    x = 206,129,832.72/14,637.20
  6. Step 6: Final answer
    x = 14,082.60

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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.