Home / 9,689.48-14,535.74-4,142.85

Finding the Fourth Proportional to 9,689.48, 14,535.74 and 4,142.85

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Solution

The fourth proportional to 9,689.48, 14,535.74 and 4,142.85 is: 6,214.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,689.48 : 14,535.74 = 4,142.85 : x
  2. Step 2: Convert to fraction form
    9,689.48/14,535.74 = 4,142.85/x
  3. Step 3: Cross multiply
    9,689.48x = 14,535.74 × 4,142.85
  4. Step 4: Simplify right side
    9,689.48x = 60,219,426.80
  5. Step 5: Solve for x
    x = 60,219,426.80/9,689.48
  6. Step 6: Final answer
    x = 6,214.93

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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.