Home / 15,681.30-23,519.11-6,320.94

Finding the Fourth Proportional to 15,681.30, 23,519.11 and 6,320.94

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Solution

The fourth proportional to 15,681.30, 23,519.11 and 6,320.94 is: 9,480.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,681.30 : 23,519.11 = 6,320.94 : x
  2. Step 2: Convert to fraction form
    15,681.30/23,519.11 = 6,320.94/x
  3. Step 3: Cross multiply
    15,681.30x = 23,519.11 × 6,320.94
  4. Step 4: Simplify right side
    15,681.30x = 148,662,883.16
  5. Step 5: Solve for x
    x = 148,662,883.16/15,681.30
  6. Step 6: Final answer
    x = 9,480.27

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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.