Home / 13,897.17-19,178.17-7,609.55

Finding the Fourth Proportional to 13,897.17, 19,178.17 and 7,609.55

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Solution

The fourth proportional to 13,897.17, 19,178.17 and 7,609.55 is: 10,501.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,897.17 : 19,178.17 = 7,609.55 : x
  2. Step 2: Convert to fraction form
    13,897.17/19,178.17 = 7,609.55/x
  3. Step 3: Cross multiply
    13,897.17x = 19,178.17 × 7,609.55
  4. Step 4: Simplify right side
    13,897.17x = 145,937,128.61
  5. Step 5: Solve for x
    x = 145,937,128.61/13,897.17
  6. Step 6: Final answer
    x = 10,501.21

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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.