Home / 13,259.08-19,889.70-4,376.08

Finding the Fourth Proportional to 13,259.08, 19,889.70 and 4,376.08

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Solution

The fourth proportional to 13,259.08, 19,889.70 and 4,376.08 is: 6,564.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259.08 : 19,889.70 = 4,376.08 : x
  2. Step 2: Convert to fraction form
    13,259.08/19,889.70 = 4,376.08/x
  3. Step 3: Cross multiply
    13,259.08x = 19,889.70 × 4,376.08
  4. Step 4: Simplify right side
    13,259.08x = 87,038,918.38
  5. Step 5: Solve for x
    x = 87,038,918.38/13,259.08
  6. Step 6: Final answer
    x = 6,564.48

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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.