Home / 14,308.62-21,455.61-6,510.78

Finding the Fourth Proportional to 14,308.62, 21,455.61 and 6,510.78

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Solution

The fourth proportional to 14,308.62, 21,455.61 and 6,510.78 is: 9,762.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,308.62 : 21,455.61 = 6,510.78 : x
  2. Step 2: Convert to fraction form
    14,308.62/21,455.61 = 6,510.78/x
  3. Step 3: Cross multiply
    14,308.62x = 21,455.61 × 6,510.78
  4. Step 4: Simplify right side
    14,308.62x = 139,692,756.48
  5. Step 5: Solve for x
    x = 139,692,756.48/14,308.62
  6. Step 6: Final answer
    x = 9,762.84

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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.