Home / 10,353.60-14,288.40-6,373.80

Finding the Fourth Proportional to 10,353.60, 14,288.40 and 6,373.80

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Solution

The fourth proportional to 10,353.60, 14,288.40 and 6,373.80 is: 8,796.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.60 : 14,288.40 = 6,373.80 : x
  2. Step 2: Convert to fraction form
    10,353.60/14,288.40 = 6,373.80/x
  3. Step 3: Cross multiply
    10,353.60x = 14,288.40 × 6,373.80
  4. Step 4: Simplify right side
    10,353.60x = 91,071,403.92
  5. Step 5: Solve for x
    x = 91,071,403.92/10,353.60
  6. Step 6: Final answer
    x = 8,796.11

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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.