Home / 14,715.42-22,073.73-6,918.78

Finding the Fourth Proportional to 14,715.42, 22,073.73 and 6,918.78

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Solution

The fourth proportional to 14,715.42, 22,073.73 and 6,918.78 is: 10,378.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,715.42 : 22,073.73 = 6,918.78 : x
  2. Step 2: Convert to fraction form
    14,715.42/22,073.73 = 6,918.78/x
  3. Step 3: Cross multiply
    14,715.42x = 22,073.73 × 6,918.78
  4. Step 4: Simplify right side
    14,715.42x = 152,723,281.65
  5. Step 5: Solve for x
    x = 152,723,281.65/14,715.42
  6. Step 6: Final answer
    x = 10,378.45

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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.