Home / 9,681.40-14,519.58-3,104.20

Finding the Fourth Proportional to 9,681.40, 14,519.58 and 3,104.20

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Solution

The fourth proportional to 9,681.40, 14,519.58 and 3,104.20 is: 4,655.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,681.40 : 14,519.58 = 3,104.20 : x
  2. Step 2: Convert to fraction form
    9,681.40/14,519.58 = 3,104.20/x
  3. Step 3: Cross multiply
    9,681.40x = 14,519.58 × 3,104.20
  4. Step 4: Simplify right side
    9,681.40x = 45,071,680.24
  5. Step 5: Solve for x
    x = 45,071,680.24/9,681.40
  6. Step 6: Final answer
    x = 4,655.49

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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.