Home / 10,363.80-14,307.66-7,954.20

Finding the Fourth Proportional to 10,363.80, 14,307.66 and 7,954.20

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Solution

The fourth proportional to 10,363.80, 14,307.66 and 7,954.20 is: 10,981.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.80 : 14,307.66 = 7,954.20 : x
  2. Step 2: Convert to fraction form
    10,363.80/14,307.66 = 7,954.20/x
  3. Step 3: Cross multiply
    10,363.80x = 14,307.66 × 7,954.20
  4. Step 4: Simplify right side
    10,363.80x = 113,805,989.17
  5. Step 5: Solve for x
    x = 113,805,989.17/10,363.80
  6. Step 6: Final answer
    x = 10,981.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.