Home / 13,000.59-19,498.44-5,102.78

Finding the Fourth Proportional to 13,000.59, 19,498.44 and 5,102.78

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Solution

The fourth proportional to 13,000.59, 19,498.44 and 5,102.78 is: 7,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000.59 : 19,498.44 = 5,102.78 : x
  2. Step 2: Convert to fraction form
    13,000.59/19,498.44 = 5,102.78/x
  3. Step 3: Cross multiply
    13,000.59x = 19,498.44 × 5,102.78
  4. Step 4: Simplify right side
    13,000.59x = 99,496,152.17
  5. Step 5: Solve for x
    x = 99,496,152.17/13,000.59
  6. Step 6: Final answer
    x = 7,653.20

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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.