Home / 12,549.48-18,830.43-8,875.32

Finding the Fourth Proportional to 12,549.48, 18,830.43 and 8,875.32

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Solution

The fourth proportional to 12,549.48, 18,830.43 and 8,875.32 is: 13,317.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.48 : 18,830.43 = 8,875.32 : x
  2. Step 2: Convert to fraction form
    12,549.48/18,830.43 = 8,875.32/x
  3. Step 3: Cross multiply
    12,549.48x = 18,830.43 × 8,875.32
  4. Step 4: Simplify right side
    12,549.48x = 167,126,091.99
  5. Step 5: Solve for x
    x = 167,126,091.99/12,549.48
  6. Step 6: Final answer
    x = 13,317.37

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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.