Home / 13,315.59-19,962.45-6,738.39

Finding the Fourth Proportional to 13,315.59, 19,962.45 and 6,738.39

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Solution

The fourth proportional to 13,315.59, 19,962.45 and 6,738.39 is: 10,102.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315.59 : 19,962.45 = 6,738.39 : x
  2. Step 2: Convert to fraction form
    13,315.59/19,962.45 = 6,738.39/x
  3. Step 3: Cross multiply
    13,315.59x = 19,962.45 × 6,738.39
  4. Step 4: Simplify right side
    13,315.59x = 134,514,773.46
  5. Step 5: Solve for x
    x = 134,514,773.46/13,315.59
  6. Step 6: Final answer
    x = 10,102.05

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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.