Home / 18,510.28-27,699.48-13,567.66

Finding the Fourth Proportional to 18,510.28, 27,699.48 and 13,567.66

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Solution

The fourth proportional to 18,510.28, 27,699.48 and 13,567.66 is: 20,303.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.28 : 27,699.48 = 13,567.66 : x
  2. Step 2: Convert to fraction form
    18,510.28/27,699.48 = 13,567.66/x
  3. Step 3: Cross multiply
    18,510.28x = 27,699.48 × 13,567.66
  4. Step 4: Simplify right side
    18,510.28x = 375,817,126.82
  5. Step 5: Solve for x
    x = 375,817,126.82/18,510.28
  6. Step 6: Final answer
    x = 20,303.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.