Home / 14,007.04-19,330.58-7,719.40

Finding the Fourth Proportional to 14,007.04, 19,330.58 and 7,719.40

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Solution

The fourth proportional to 14,007.04, 19,330.58 and 7,719.40 is: 10,653.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.04 : 19,330.58 = 7,719.40 : x
  2. Step 2: Convert to fraction form
    14,007.04/19,330.58 = 7,719.40/x
  3. Step 3: Cross multiply
    14,007.04x = 19,330.58 × 7,719.40
  4. Step 4: Simplify right side
    14,007.04x = 149,220,479.25
  5. Step 5: Solve for x
    x = 149,220,479.25/14,007.04
  6. Step 6: Final answer
    x = 10,653.25

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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.