Home / 15,519.66-23,283.54-9,975.78

Finding the Fourth Proportional to 15,519.66, 23,283.54 and 9,975.78

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Solution

The fourth proportional to 15,519.66, 23,283.54 and 9,975.78 is: 14,966.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,519.66 : 23,283.54 = 9,975.78 : x
  2. Step 2: Convert to fraction form
    15,519.66/23,283.54 = 9,975.78/x
  3. Step 3: Cross multiply
    15,519.66x = 23,283.54 × 9,975.78
  4. Step 4: Simplify right side
    15,519.66x = 232,271,472.66
  5. Step 5: Solve for x
    x = 232,271,472.66/15,519.66
  6. Step 6: Final answer
    x = 14,966.27

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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.