Home / 18,459.41-27,689.50-6,613.95

Finding the Fourth Proportional to 18,459.41, 27,689.50 and 6,613.95

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Solution

The fourth proportional to 18,459.41, 27,689.50 and 6,613.95 is: 9,921.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,459.41 : 27,689.50 = 6,613.95 : x
  2. Step 2: Convert to fraction form
    18,459.41/27,689.50 = 6,613.95/x
  3. Step 3: Cross multiply
    18,459.41x = 27,689.50 × 6,613.95
  4. Step 4: Simplify right side
    18,459.41x = 183,136,968.53
  5. Step 5: Solve for x
    x = 183,136,968.53/18,459.41
  6. Step 6: Final answer
    x = 9,921.07

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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.