Home / 10,521.27-14,520.94-6,748.70

Finding the Fourth Proportional to 10,521.27, 14,520.94 and 6,748.70

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Solution

The fourth proportional to 10,521.27, 14,520.94 and 6,748.70 is: 9,314.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521.27 : 14,520.94 = 6,748.70 : x
  2. Step 2: Convert to fraction form
    10,521.27/14,520.94 = 6,748.70/x
  3. Step 3: Cross multiply
    10,521.27x = 14,520.94 × 6,748.70
  4. Step 4: Simplify right side
    10,521.27x = 97,997,378.30
  5. Step 5: Solve for x
    x = 97,997,378.30/10,521.27
  6. Step 6: Final answer
    x = 9,314.22

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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.