Home / 9,905.69-14,863.38-4,358.34

Finding the Fourth Proportional to 9,905.69, 14,863.38 and 4,358.34

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Solution

The fourth proportional to 9,905.69, 14,863.38 and 4,358.34 is: 6,539.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.69 : 14,863.38 = 4,358.34 : x
  2. Step 2: Convert to fraction form
    9,905.69/14,863.38 = 4,358.34/x
  3. Step 3: Cross multiply
    9,905.69x = 14,863.38 × 4,358.34
  4. Step 4: Simplify right side
    9,905.69x = 64,779,647.25
  5. Step 5: Solve for x
    x = 64,779,647.25/9,905.69
  6. Step 6: Final answer
    x = 6,539.64

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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.