Home / 13,911.48-19,197.68-7,538.04

Finding the Fourth Proportional to 13,911.48, 19,197.68 and 7,538.04

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Solution

The fourth proportional to 13,911.48, 19,197.68 and 7,538.04 is: 10,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911.48 : 19,197.68 = 7,538.04 : x
  2. Step 2: Convert to fraction form
    13,911.48/19,197.68 = 7,538.04/x
  3. Step 3: Cross multiply
    13,911.48x = 19,197.68 × 7,538.04
  4. Step 4: Simplify right side
    13,911.48x = 144,712,842.06
  5. Step 5: Solve for x
    x = 144,712,842.06/13,911.48
  6. Step 6: Final answer
    x = 10,402.40

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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.