Home / 13,632.02-18,763.43-9,646.21

Finding the Fourth Proportional to 13,632.02, 18,763.43 and 9,646.21

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Solution

The fourth proportional to 13,632.02, 18,763.43 and 9,646.21 is: 13,277.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.02 : 18,763.43 = 9,646.21 : x
  2. Step 2: Convert to fraction form
    13,632.02/18,763.43 = 9,646.21/x
  3. Step 3: Cross multiply
    13,632.02x = 18,763.43 × 9,646.21
  4. Step 4: Simplify right side
    13,632.02x = 180,995,990.31
  5. Step 5: Solve for x
    x = 180,995,990.31/13,632.02
  6. Step 6: Final answer
    x = 13,277.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.