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Finding the Fourth Proportional to 9,444.86, 13,036.86 and 6,459.62

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Solution

The fourth proportional to 9,444.86, 13,036.86 and 6,459.62 is: 8,916.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,444.86 : 13,036.86 = 6,459.62 : x
  2. Step 2: Convert to fraction form
    9,444.86/13,036.86 = 6,459.62/x
  3. Step 3: Cross multiply
    9,444.86x = 13,036.86 × 6,459.62
  4. Step 4: Simplify right side
    9,444.86x = 84,213,161.59
  5. Step 5: Solve for x
    x = 84,213,161.59/9,444.86
  6. Step 6: Final answer
    x = 8,916.30

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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.