Home / 15,206.40-22,798.80-5,842.80

Finding the Fourth Proportional to 15,206.40, 22,798.80 and 5,842.80

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Solution

The fourth proportional to 15,206.40, 22,798.80 and 5,842.80 is: 8,760.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,206.40 : 22,798.80 = 5,842.80 : x
  2. Step 2: Convert to fraction form
    15,206.40/22,798.80 = 5,842.80/x
  3. Step 3: Cross multiply
    15,206.40x = 22,798.80 × 5,842.80
  4. Step 4: Simplify right side
    15,206.40x = 133,208,828.64
  5. Step 5: Solve for x
    x = 133,208,828.64/15,206.40
  6. Step 6: Final answer
    x = 8,760.05

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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.