Home / 18,681.08-28,027.01-5,533.70

Finding the Fourth Proportional to 18,681.08, 28,027.01 and 5,533.70

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Solution

The fourth proportional to 18,681.08, 28,027.01 and 5,533.70 is: 8,302.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,681.08 : 28,027.01 = 5,533.70 : x
  2. Step 2: Convert to fraction form
    18,681.08/28,027.01 = 5,533.70/x
  3. Step 3: Cross multiply
    18,681.08x = 28,027.01 × 5,533.70
  4. Step 4: Simplify right side
    18,681.08x = 155,092,938.94
  5. Step 5: Solve for x
    x = 155,092,938.94/18,681.08
  6. Step 6: Final answer
    x = 8,302.14

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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.