Home / 9,690.40-13,374.90-6,152.94

Finding the Fourth Proportional to 9,690.40, 13,374.90 and 6,152.94

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Solution

The fourth proportional to 9,690.40, 13,374.90 and 6,152.94 is: 8,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690.40 : 13,374.90 = 6,152.94 : x
  2. Step 2: Convert to fraction form
    9,690.40/13,374.90 = 6,152.94/x
  3. Step 3: Cross multiply
    9,690.40x = 13,374.90 × 6,152.94
  4. Step 4: Simplify right side
    9,690.40x = 82,294,957.21
  5. Step 5: Solve for x
    x = 82,294,957.21/9,690.40
  6. Step 6: Final answer
    x = 8,492.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.