Home / 13,955.78-19,259.00-7,582.40

Finding the Fourth Proportional to 13,955.78, 19,259.00 and 7,582.40

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Solution

The fourth proportional to 13,955.78, 19,259.00 and 7,582.40 is: 10,463.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.78 : 19,259.00 = 7,582.40 : x
  2. Step 2: Convert to fraction form
    13,955.78/19,259.00 = 7,582.40/x
  3. Step 3: Cross multiply
    13,955.78x = 19,259.00 × 7,582.40
  4. Step 4: Simplify right side
    13,955.78x = 146,029,508.70
  5. Step 5: Solve for x
    x = 146,029,508.70/13,955.78
  6. Step 6: Final answer
    x = 10,463.73

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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.