Home / 9,888.20-14,832.30-9,632.20

Finding the Fourth Proportional to 9,888.20, 14,832.30 and 9,632.20

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Solution

The fourth proportional to 9,888.20, 14,832.30 and 9,632.20 is: 14,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,888.20 : 14,832.30 = 9,632.20 : x
  2. Step 2: Convert to fraction form
    9,888.20/14,832.30 = 9,632.20/x
  3. Step 3: Cross multiply
    9,888.20x = 14,832.30 × 9,632.20
  4. Step 4: Simplify right side
    9,888.20x = 142,867,680.06
  5. Step 5: Solve for x
    x = 142,867,680.06/9,888.20
  6. Step 6: Final answer
    x = 14,448.30

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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.