Home / 13,943.95-20,915.96-9,802.49

Finding the Fourth Proportional to 13,943.95, 20,915.96 and 9,802.49

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Solution

The fourth proportional to 13,943.95, 20,915.96 and 9,802.49 is: 14,703.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.95 : 20,915.96 = 9,802.49 : x
  2. Step 2: Convert to fraction form
    13,943.95/20,915.96 = 9,802.49/x
  3. Step 3: Cross multiply
    13,943.95x = 20,915.96 × 9,802.49
  4. Step 4: Simplify right side
    13,943.95x = 205,028,335.15
  5. Step 5: Solve for x
    x = 205,028,335.15/13,943.95
  6. Step 6: Final answer
    x = 14,703.75

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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.