Home / 13,011.03-17,953.29-7,903.89

Finding the Fourth Proportional to 13,011.03, 17,953.29 and 7,903.89

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Solution

The fourth proportional to 13,011.03, 17,953.29 and 7,903.89 is: 10,906.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.03 : 17,953.29 = 7,903.89 : x
  2. Step 2: Convert to fraction form
    13,011.03/17,953.29 = 7,903.89/x
  3. Step 3: Cross multiply
    13,011.03x = 17,953.29 × 7,903.89
  4. Step 4: Simplify right side
    13,011.03x = 141,900,829.30
  5. Step 5: Solve for x
    x = 141,900,829.30/13,011.03
  6. Step 6: Final answer
    x = 10,906.19

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1.5x scale

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.