Home / 10,342.96-15,516.88-2,947.53

Finding the Fourth Proportional to 10,342.96, 15,516.88 and 2,947.53

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Solution

The fourth proportional to 10,342.96, 15,516.88 and 2,947.53 is: 4,421.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.96 : 15,516.88 = 2,947.53 : x
  2. Step 2: Convert to fraction form
    10,342.96/15,516.88 = 2,947.53/x
  3. Step 3: Cross multiply
    10,342.96x = 15,516.88 × 2,947.53
  4. Step 4: Simplify right side
    10,342.96x = 45,736,403.75
  5. Step 5: Solve for x
    x = 45,736,403.75/10,342.96
  6. Step 6: Final answer
    x = 4,421.98

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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.