Home / 10,209.76-14,085.88-6,675.04

Finding the Fourth Proportional to 10,209.76, 14,085.88 and 6,675.04

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Solution

The fourth proportional to 10,209.76, 14,085.88 and 6,675.04 is: 9,209.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209.76 : 14,085.88 = 6,675.04 : x
  2. Step 2: Convert to fraction form
    10,209.76/14,085.88 = 6,675.04/x
  3. Step 3: Cross multiply
    10,209.76x = 14,085.88 × 6,675.04
  4. Step 4: Simplify right side
    10,209.76x = 94,023,812.44
  5. Step 5: Solve for x
    x = 94,023,812.44/10,209.76
  6. Step 6: Final answer
    x = 9,209.21

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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.