Home / 13,501.35-20,252.03-9,783.45

Finding the Fourth Proportional to 13,501.35, 20,252.03 and 9,783.45

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Solution

The fourth proportional to 13,501.35, 20,252.03 and 9,783.45 is: 14,675.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.35 : 20,252.03 = 9,783.45 : x
  2. Step 2: Convert to fraction form
    13,501.35/20,252.03 = 9,783.45/x
  3. Step 3: Cross multiply
    13,501.35x = 20,252.03 × 9,783.45
  4. Step 4: Simplify right side
    13,501.35x = 198,134,673.99
  5. Step 5: Solve for x
    x = 198,134,673.99/13,501.35
  6. Step 6: Final answer
    x = 14,675.18

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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.