Home / 13,000.89-19,499.16-4,679.35

Finding the Fourth Proportional to 13,000.89, 19,499.16 and 4,679.35

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Solution

The fourth proportional to 13,000.89, 19,499.16 and 4,679.35 is: 7,018.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000.89 : 19,499.16 = 4,679.35 : x
  2. Step 2: Convert to fraction form
    13,000.89/19,499.16 = 4,679.35/x
  3. Step 3: Cross multiply
    13,000.89x = 19,499.16 × 4,679.35
  4. Step 4: Simplify right side
    13,000.89x = 91,243,394.35
  5. Step 5: Solve for x
    x = 91,243,394.35/13,000.89
  6. Step 6: Final answer
    x = 7,018.24

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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.