Home / 19,655.17-27,126.52-11,159.94

Finding the Fourth Proportional to 19,655.17, 27,126.52 and 11,159.94

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Solution

The fourth proportional to 19,655.17, 27,126.52 and 11,159.94 is: 15,402.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.17 : 27,126.52 = 11,159.94 : x
  2. Step 2: Convert to fraction form
    19,655.17/27,126.52 = 11,159.94/x
  3. Step 3: Cross multiply
    19,655.17x = 27,126.52 × 11,159.94
  4. Step 4: Simplify right side
    19,655.17x = 302,730,199.98
  5. Step 5: Solve for x
    x = 302,730,199.98/19,655.17
  6. Step 6: Final answer
    x = 15,402.06

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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.