Home / 13,783.04-20,655.76-8,850.08

Finding the Fourth Proportional to 13,783.04, 20,655.76 and 8,850.08

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Solution

The fourth proportional to 13,783.04, 20,655.76 and 8,850.08 is: 13,263.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783.04 : 20,655.76 = 8,850.08 : x
  2. Step 2: Convert to fraction form
    13,783.04/20,655.76 = 8,850.08/x
  3. Step 3: Cross multiply
    13,783.04x = 20,655.76 × 8,850.08
  4. Step 4: Simplify right side
    13,783.04x = 182,805,128.46
  5. Step 5: Solve for x
    x = 182,805,128.46/13,783.04
  6. Step 6: Final answer
    x = 13,263.05

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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.