Home / 9,756.20-14,615.10-6,645.80

Finding the Fourth Proportional to 9,756.20, 14,615.10 and 6,645.80

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Solution

The fourth proportional to 9,756.20, 14,615.10 and 6,645.80 is: 9,955.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,756.20 : 14,615.10 = 6,645.80 : x
  2. Step 2: Convert to fraction form
    9,756.20/14,615.10 = 6,645.80/x
  3. Step 3: Cross multiply
    9,756.20x = 14,615.10 × 6,645.80
  4. Step 4: Simplify right side
    9,756.20x = 97,129,031.58
  5. Step 5: Solve for x
    x = 97,129,031.58/9,756.20
  6. Step 6: Final answer
    x = 9,955.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.