Home / 14,007.08-19,329.90-7,719.68

Finding the Fourth Proportional to 14,007.08, 19,329.90 and 7,719.68

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Solution

The fourth proportional to 14,007.08, 19,329.90 and 7,719.68 is: 10,653.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.08 : 19,329.90 = 7,719.68 : x
  2. Step 2: Convert to fraction form
    14,007.08/19,329.90 = 7,719.68/x
  3. Step 3: Cross multiply
    14,007.08x = 19,329.90 × 7,719.68
  4. Step 4: Simplify right side
    14,007.08x = 149,220,642.43
  5. Step 5: Solve for x
    x = 149,220,642.43/14,007.08
  6. Step 6: Final answer
    x = 10,653.23

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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.