Home / 10,056.46-13,877.70-5,580.11

Finding the Fourth Proportional to 10,056.46, 13,877.70 and 5,580.11

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Solution

The fourth proportional to 10,056.46, 13,877.70 and 5,580.11 is: 7,700.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,056.46 : 13,877.70 = 5,580.11 : x
  2. Step 2: Convert to fraction form
    10,056.46/13,877.70 = 5,580.11/x
  3. Step 3: Cross multiply
    10,056.46x = 13,877.70 × 5,580.11
  4. Step 4: Simplify right side
    10,056.46x = 77,439,092.55
  5. Step 5: Solve for x
    x = 77,439,092.55/10,056.46
  6. Step 6: Final answer
    x = 7,700.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.