Home / 9,981.71-14,972.57-4,715.00

Finding the Fourth Proportional to 9,981.71, 14,972.57 and 4,715.00

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Solution

The fourth proportional to 9,981.71, 14,972.57 and 4,715.00 is: 7,072.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.71 : 14,972.57 = 4,715.00 : x
  2. Step 2: Convert to fraction form
    9,981.71/14,972.57 = 4,715.00/x
  3. Step 3: Cross multiply
    9,981.71x = 14,972.57 × 4,715.00
  4. Step 4: Simplify right side
    9,981.71x = 70,595,604.47
  5. Step 5: Solve for x
    x = 70,595,604.47/9,981.71
  6. Step 6: Final answer
    x = 7,072.49

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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.