Home / 10,333.56-15,487.66-4,779.40

Finding the Fourth Proportional to 10,333.56, 15,487.66 and 4,779.40

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Solution

The fourth proportional to 10,333.56, 15,487.66 and 4,779.40 is: 7,163.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,333.56 : 15,487.66 = 4,779.40 : x
  2. Step 2: Convert to fraction form
    10,333.56/15,487.66 = 4,779.40/x
  3. Step 3: Cross multiply
    10,333.56x = 15,487.66 × 4,779.40
  4. Step 4: Simplify right side
    10,333.56x = 74,021,722.20
  5. Step 5: Solve for x
    x = 74,021,722.20/10,333.56
  6. Step 6: Final answer
    x = 7,163.24

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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.