Home / 9,615.75-14,423.63-2,690.25

Finding the Fourth Proportional to 9,615.75, 14,423.63 and 2,690.25

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Solution

The fourth proportional to 9,615.75, 14,423.63 and 2,690.25 is: 4,035.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,615.75 : 14,423.63 = 2,690.25 : x
  2. Step 2: Convert to fraction form
    9,615.75/14,423.63 = 2,690.25/x
  3. Step 3: Cross multiply
    9,615.75x = 14,423.63 × 2,690.25
  4. Step 4: Simplify right side
    9,615.75x = 38,803,157.16
  5. Step 5: Solve for x
    x = 38,803,157.16/9,615.75
  6. Step 6: Final answer
    x = 4,035.38

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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.