Home / 19,029.53-26,265.60-12,666.78

Finding the Fourth Proportional to 19,029.53, 26,265.60 and 12,666.78

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Solution

The fourth proportional to 19,029.53, 26,265.60 and 12,666.78 is: 17,483.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,029.53 : 26,265.60 = 12,666.78 : x
  2. Step 2: Convert to fraction form
    19,029.53/26,265.60 = 12,666.78/x
  3. Step 3: Cross multiply
    19,029.53x = 26,265.60 × 12,666.78
  4. Step 4: Simplify right side
    19,029.53x = 332,700,576.77
  5. Step 5: Solve for x
    x = 332,700,576.77/19,029.53
  6. Step 6: Final answer
    x = 17,483.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.