Home / 18,030.60-27,045.90-6,342.30

Finding the Fourth Proportional to 18,030.60, 27,045.90 and 6,342.30

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Solution

The fourth proportional to 18,030.60, 27,045.90 and 6,342.30 is: 9,513.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,030.60 : 27,045.90 = 6,342.30 : x
  2. Step 2: Convert to fraction form
    18,030.60/27,045.90 = 6,342.30/x
  3. Step 3: Cross multiply
    18,030.60x = 27,045.90 × 6,342.30
  4. Step 4: Simplify right side
    18,030.60x = 171,533,211.57
  5. Step 5: Solve for x
    x = 171,533,211.57/18,030.60
  6. Step 6: Final answer
    x = 9,513.45

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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.