Home / 12,502.30-18,762.54-9,224.20

Finding the Fourth Proportional to 12,502.30, 18,762.54 and 9,224.20

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Solution

The fourth proportional to 12,502.30, 18,762.54 and 9,224.20 is: 13,843.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.30 : 18,762.54 = 9,224.20 : x
  2. Step 2: Convert to fraction form
    12,502.30/18,762.54 = 9,224.20/x
  3. Step 3: Cross multiply
    12,502.30x = 18,762.54 × 9,224.20
  4. Step 4: Simplify right side
    12,502.30x = 173,069,421.47
  5. Step 5: Solve for x
    x = 173,069,421.47/12,502.30
  6. Step 6: Final answer
    x = 13,843.01

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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.