Home / 10,299.52-15,437.38-4,741.21

Finding the Fourth Proportional to 10,299.52, 15,437.38 and 4,741.21

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Solution

The fourth proportional to 10,299.52, 15,437.38 and 4,741.21 is: 7,106.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.52 : 15,437.38 = 4,741.21 : x
  2. Step 2: Convert to fraction form
    10,299.52/15,437.38 = 4,741.21/x
  3. Step 3: Cross multiply
    10,299.52x = 15,437.38 × 4,741.21
  4. Step 4: Simplify right side
    10,299.52x = 73,191,860.43
  5. Step 5: Solve for x
    x = 73,191,860.43/10,299.52
  6. Step 6: Final answer
    x = 7,106.34

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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.