Home / 9,343.40-14,011.50-3,187.40

Finding the Fourth Proportional to 9,343.40, 14,011.50 and 3,187.40

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Solution

The fourth proportional to 9,343.40, 14,011.50 and 3,187.40 is: 4,779.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,343.40 : 14,011.50 = 3,187.40 : x
  2. Step 2: Convert to fraction form
    9,343.40/14,011.50 = 3,187.40/x
  3. Step 3: Cross multiply
    9,343.40x = 14,011.50 × 3,187.40
  4. Step 4: Simplify right side
    9,343.40x = 44,660,255.10
  5. Step 5: Solve for x
    x = 44,660,255.10/9,343.40
  6. Step 6: Final answer
    x = 4,779.87

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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.