Home / 10,521.15-14,520.76-6,748.57

Finding the Fourth Proportional to 10,521.15, 14,520.76 and 6,748.57

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Solution

The fourth proportional to 10,521.15, 14,520.76 and 6,748.57 is: 9,314.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521.15 : 14,520.76 = 6,748.57 : x
  2. Step 2: Convert to fraction form
    10,521.15/14,520.76 = 6,748.57/x
  3. Step 3: Cross multiply
    10,521.15x = 14,520.76 × 6,748.57
  4. Step 4: Simplify right side
    10,521.15x = 97,994,365.31
  5. Step 5: Solve for x
    x = 97,994,365.31/10,521.15
  6. Step 6: Final answer
    x = 9,314.04

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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.