Home / 9,520.80-14,285.70-6,402.30

Finding the Fourth Proportional to 9,520.80, 14,285.70 and 6,402.30

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Solution

The fourth proportional to 9,520.80, 14,285.70 and 6,402.30 is: 9,606.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,520.80 : 14,285.70 = 6,402.30 : x
  2. Step 2: Convert to fraction form
    9,520.80/14,285.70 = 6,402.30/x
  3. Step 3: Cross multiply
    9,520.80x = 14,285.70 × 6,402.30
  4. Step 4: Simplify right side
    9,520.80x = 91,461,337.11
  5. Step 5: Solve for x
    x = 91,461,337.11/9,520.80
  6. Step 6: Final answer
    x = 9,606.48

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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.