Home / 18,681.46-28,022.28-5,534.08

Finding the Fourth Proportional to 18,681.46, 28,022.28 and 5,534.08

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Solution

The fourth proportional to 18,681.46, 28,022.28 and 5,534.08 is: 8,301.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,681.46 : 28,022.28 = 5,534.08 : x
  2. Step 2: Convert to fraction form
    18,681.46/28,022.28 = 5,534.08/x
  3. Step 3: Cross multiply
    18,681.46x = 28,022.28 × 5,534.08
  4. Step 4: Simplify right side
    18,681.46x = 155,077,539.30
  5. Step 5: Solve for x
    x = 155,077,539.30/18,681.46
  6. Step 6: Final answer
    x = 8,301.15

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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.