Home / 14,045.04-19,382.32-7,757.40

Finding the Fourth Proportional to 14,045.04, 19,382.32 and 7,757.40

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Solution

The fourth proportional to 14,045.04, 19,382.32 and 7,757.40 is: 10,705.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.04 : 19,382.32 = 7,757.40 : x
  2. Step 2: Convert to fraction form
    14,045.04/19,382.32 = 7,757.40/x
  3. Step 3: Cross multiply
    14,045.04x = 19,382.32 × 7,757.40
  4. Step 4: Simplify right side
    14,045.04x = 150,356,409.17
  5. Step 5: Solve for x
    x = 150,356,409.17/14,045.04
  6. Step 6: Final answer
    x = 10,705.30

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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.