Home / 13,877.04-20,800.08-8,955.84

Finding the Fourth Proportional to 13,877.04, 20,800.08 and 8,955.84

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Solution

The fourth proportional to 13,877.04, 20,800.08 and 8,955.84 is: 13,423.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.04 : 20,800.08 = 8,955.84 : x
  2. Step 2: Convert to fraction form
    13,877.04/20,800.08 = 8,955.84/x
  3. Step 3: Cross multiply
    13,877.04x = 20,800.08 × 8,955.84
  4. Step 4: Simplify right side
    13,877.04x = 186,282,188.47
  5. Step 5: Solve for x
    x = 186,282,188.47/13,877.04
  6. Step 6: Final answer
    x = 13,423.77

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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.