Home / 20,350.01-30,533.81-10,988.17

Finding the Fourth Proportional to 20,350.01, 30,533.81 and 10,988.17

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Solution

The fourth proportional to 20,350.01, 30,533.81 and 10,988.17 is: 16,487.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,350.01 : 30,533.81 = 10,988.17 : x
  2. Step 2: Convert to fraction form
    20,350.01/30,533.81 = 10,988.17/x
  3. Step 3: Cross multiply
    20,350.01x = 30,533.81 × 10,988.17
  4. Step 4: Simplify right side
    20,350.01x = 335,510,563.75
  5. Step 5: Solve for x
    x = 335,510,563.75/20,350.01
  6. Step 6: Final answer
    x = 16,487.00

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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.