Home / 15,523.08-21,415.02-9,234.12

Finding the Fourth Proportional to 15,523.08, 21,415.02 and 9,234.12

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Solution

The fourth proportional to 15,523.08, 21,415.02 and 9,234.12 is: 12,739.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,523.08 : 21,415.02 = 9,234.12 : x
  2. Step 2: Convert to fraction form
    15,523.08/21,415.02 = 9,234.12/x
  3. Step 3: Cross multiply
    15,523.08x = 21,415.02 × 9,234.12
  4. Step 4: Simplify right side
    15,523.08x = 197,748,864.48
  5. Step 5: Solve for x
    x = 197,748,864.48/15,523.08
  6. Step 6: Final answer
    x = 12,739.02

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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.