Home / 13,112.84-19,669.47-7,306.36

Finding the Fourth Proportional to 13,112.84, 19,669.47 and 7,306.36

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Solution

The fourth proportional to 13,112.84, 19,669.47 and 7,306.36 is: 10,959.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112.84 : 19,669.47 = 7,306.36 : x
  2. Step 2: Convert to fraction form
    13,112.84/19,669.47 = 7,306.36/x
  3. Step 3: Cross multiply
    13,112.84x = 19,669.47 × 7,306.36
  4. Step 4: Simplify right side
    13,112.84x = 143,712,152.26
  5. Step 5: Solve for x
    x = 143,712,152.26/13,112.84
  6. Step 6: Final answer
    x = 10,959.65

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1.5x scale

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.