Home / 10,631.23-14,670.80-6,155.06

Finding the Fourth Proportional to 10,631.23, 14,670.80 and 6,155.06

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Solution

The fourth proportional to 10,631.23, 14,670.80 and 6,155.06 is: 8,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.23 : 14,670.80 = 6,155.06 : x
  2. Step 2: Convert to fraction form
    10,631.23/14,670.80 = 6,155.06/x
  3. Step 3: Cross multiply
    10,631.23x = 14,670.80 × 6,155.06
  4. Step 4: Simplify right side
    10,631.23x = 90,299,550.12
  5. Step 5: Solve for x
    x = 90,299,550.12/10,631.23
  6. Step 6: Final answer
    x = 8,493.80

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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.