Home / 9,743.90-13,437.75-6,385.50

Finding the Fourth Proportional to 9,743.90, 13,437.75 and 6,385.50

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Solution

The fourth proportional to 9,743.90, 13,437.75 and 6,385.50 is: 8,806.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,743.90 : 13,437.75 = 6,385.50 : x
  2. Step 2: Convert to fraction form
    9,743.90/13,437.75 = 6,385.50/x
  3. Step 3: Cross multiply
    9,743.90x = 13,437.75 × 6,385.50
  4. Step 4: Simplify right side
    9,743.90x = 85,806,752.63
  5. Step 5: Solve for x
    x = 85,806,752.63/9,743.90
  6. Step 6: Final answer
    x = 8,806.21

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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.