Home / 12,068.55-18,090.95-4,270.95

Finding the Fourth Proportional to 12,068.55, 18,090.95 and 4,270.95

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Solution

The fourth proportional to 12,068.55, 18,090.95 and 4,270.95 is: 6,402.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068.55 : 18,090.95 = 4,270.95 : x
  2. Step 2: Convert to fraction form
    12,068.55/18,090.95 = 4,270.95/x
  3. Step 3: Cross multiply
    12,068.55x = 18,090.95 × 4,270.95
  4. Step 4: Simplify right side
    12,068.55x = 77,265,521.55
  5. Step 5: Solve for x
    x = 77,265,521.55/12,068.55
  6. Step 6: Final answer
    x = 6,402.22

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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.