Home / 20,244.95-30,386.88-9,863.99

Finding the Fourth Proportional to 20,244.95, 30,386.88 and 9,863.99

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Solution

The fourth proportional to 20,244.95, 30,386.88 and 9,863.99 is: 14,805.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244.95 : 30,386.88 = 9,863.99 : x
  2. Step 2: Convert to fraction form
    20,244.95/30,386.88 = 9,863.99/x
  3. Step 3: Cross multiply
    20,244.95x = 30,386.88 × 9,863.99
  4. Step 4: Simplify right side
    20,244.95x = 299,735,728.52
  5. Step 5: Solve for x
    x = 299,735,728.52/20,244.95
  6. Step 6: Final answer
    x = 14,805.46

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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.