Home / 13,953.85-19,256.45-7,580.50

Finding the Fourth Proportional to 13,953.85, 19,256.45 and 7,580.50

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Solution

The fourth proportional to 13,953.85, 19,256.45 and 7,580.50 is: 10,461.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.85 : 19,256.45 = 7,580.50 : x
  2. Step 2: Convert to fraction form
    13,953.85/19,256.45 = 7,580.50/x
  3. Step 3: Cross multiply
    13,953.85x = 19,256.45 × 7,580.50
  4. Step 4: Simplify right side
    13,953.85x = 145,973,519.23
  5. Step 5: Solve for x
    x = 145,973,519.23/13,953.85
  6. Step 6: Final answer
    x = 10,461.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.