Home / 13,312.64-19,971.52-5,104

Finding the Fourth Proportional to 13,312.64, 19,971.52 and 5,104

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Solution

The fourth proportional to 13,312.64, 19,971.52 and 5,104 is: 7,656.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.64 : 19,971.52 = 5,104 : x
  2. Step 2: Convert to fraction form
    13,312.64/19,971.52 = 5,104/x
  3. Step 3: Cross multiply
    13,312.64x = 19,971.52 × 5,104
  4. Step 4: Simplify right side
    13,312.64x = 101,934,638.08
  5. Step 5: Solve for x
    x = 101,934,638.08/13,312.64
  6. Step 6: Final answer
    x = 7,656.98

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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.