Home / 13,501.14-20,250.81-6,486.18

Finding the Fourth Proportional to 13,501.14, 20,250.81 and 6,486.18

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Solution

The fourth proportional to 13,501.14, 20,250.81 and 6,486.18 is: 9,728.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.14 : 20,250.81 = 6,486.18 : x
  2. Step 2: Convert to fraction form
    13,501.14/20,250.81 = 6,486.18/x
  3. Step 3: Cross multiply
    13,501.14x = 20,250.81 × 6,486.18
  4. Step 4: Simplify right side
    13,501.14x = 131,350,398.81
  5. Step 5: Solve for x
    x = 131,350,398.81/13,501.14
  6. Step 6: Final answer
    x = 9,728.84

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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.