Home / 10,822.69-14,932.93-7,045.45

Finding the Fourth Proportional to 10,822.69, 14,932.93 and 7,045.45

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Solution

The fourth proportional to 10,822.69, 14,932.93 and 7,045.45 is: 9,721.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.69 : 14,932.93 = 7,045.45 : x
  2. Step 2: Convert to fraction form
    10,822.69/14,932.93 = 7,045.45/x
  3. Step 3: Cross multiply
    10,822.69x = 14,932.93 × 7,045.45
  4. Step 4: Simplify right side
    10,822.69x = 105,209,137.00
  5. Step 5: Solve for x
    x = 105,209,137.00/10,822.69
  6. Step 6: Final answer
    x = 9,721.17

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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.