Home / 10,430.12-14,382.03-6,647.30

Finding the Fourth Proportional to 10,430.12, 14,382.03 and 6,647.30

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Solution

The fourth proportional to 10,430.12, 14,382.03 and 6,647.30 is: 9,165.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.12 : 14,382.03 = 6,647.30 : x
  2. Step 2: Convert to fraction form
    10,430.12/14,382.03 = 6,647.30/x
  3. Step 3: Cross multiply
    10,430.12x = 14,382.03 × 6,647.30
  4. Step 4: Simplify right side
    10,430.12x = 95,601,596.11
  5. Step 5: Solve for x
    x = 95,601,596.11/10,430.12
  6. Step 6: Final answer
    x = 9,165.92

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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.